Latest content added for UNT Digital Library Collection: Technical Report Archive & Image Library (TRAIL)https://digital.library.unt.edu/explore/collections/TRAIL/browse/?fq=untl_institution:UNTGD&fq=str_title_serial:Report+of+investigations+(United+States.+Bureau+of+Mines)&fq=untl_decade:1940-19492012-10-17T09:47:01-05:00UNT LibrariesThis is a custom feed for browsing UNT Digital Library Collection: Technical Report Archive & Image Library (TRAIL)Engineering Study of the Rodessa Oil Field in Louisiana, Texas, and Arkansas2012-10-17T09:47:01-05:00https://digital.library.unt.edu/ark:/67531/metadc38414/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38414/"><img alt="Engineering Study of the Rodessa Oil Field in Louisiana, Texas, and Arkansas" title="Engineering Study of the Rodessa Oil Field in Louisiana, Texas, and Arkansas" src="https://digital.library.unt.edu/ark:/67531/metadc38414/small/"/></a></p><p>Report issued by the Bureau of Mines over drilling operations in Texas, Arkansas, and Louisiana. Results of the operations are discussed. This report includes maps, tables, illustrations, and photographs.</p>Geophysical Investigation of Manganiferous Iron Deposits, Boston Hill, Grant County, New Mexico2012-10-17T09:47:01-05:00https://digital.library.unt.edu/ark:/67531/metadc38481/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38481/"><img alt="Geophysical Investigation of Manganiferous Iron Deposits, Boston Hill, Grant County, New Mexico" title="Geophysical Investigation of Manganiferous Iron Deposits, Boston Hill, Grant County, New Mexico" src="https://digital.library.unt.edu/ark:/67531/metadc38481/small/"/></a></p><p>Report issued by the Bureau of Mines over geophysical studies conducted on iron deposits of Grant County, New Mexico. Methods and equipment used during the studies are presented. The results are also presented and discussed. This report includes tables, maps, and illustrations.</p>Petroleum-Engineering Study of Sheridan Field, Colorado County, Texas2012-08-31T21:48:36-05:00https://digital.library.unt.edu/ark:/67531/metadc38500/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38500/"><img alt="Petroleum-Engineering Study of Sheridan Field, Colorado County, Texas" title="Petroleum-Engineering Study of Sheridan Field, Colorado County, Texas" src="https://digital.library.unt.edu/ark:/67531/metadc38500/small/"/></a></p><p>Report issued by the Bureau of Mines over petroleum-engineering studies conducted at the Sheridan oil field. The methods used for the study are presented and discussed. This report includes tables, maps, illustrations, and photographs.</p>Petroleum-Engineering Study of Atlanta Oil Field, Columbia County, Arkansas2012-08-31T21:48:36-05:00https://digital.library.unt.edu/ark:/67531/metadc38512/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38512/"><img alt="Petroleum-Engineering Study of Atlanta Oil Field, Columbia County, Arkansas" title="Petroleum-Engineering Study of Atlanta Oil Field, Columbia County, Arkansas" src="https://digital.library.unt.edu/ark:/67531/metadc38512/small/"/></a></p><p>Report issued by the Bureau of Mines over petroleum-engineering studies conducted at the Atlanta oil field. The methods used for the study are presented and discussed. This report includes tables, maps, illustrations, and photographs.</p>Petroleum-Engineering Study of the Lake Creek Field, Montgomery County, Texas2012-08-31T21:48:36-05:00https://digital.library.unt.edu/ark:/67531/metadc38495/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38495/"><img alt="Petroleum-Engineering Study of the Lake Creek Field, Montgomery County, Texas" title="Petroleum-Engineering Study of the Lake Creek Field, Montgomery County, Texas" src="https://digital.library.unt.edu/ark:/67531/metadc38495/small/"/></a></p><p>Report issued by the Bureau of Mines over petroleum-engineering studies conducted at the Lake Creek field. As stated in the introduction, "this report is an engineering analysis of the reservoirs in the Lake Creek field and includes estimates of the initial volume of gas and the recoverable hydrocarbon liquid and oil" (p. 5). This report includes tables, maps, illustrations, and photographs.</p>Report of the Nonmetals Division: Fiscal Year 19422012-08-31T21:48:36-05:00https://digital.library.unt.edu/ark:/67531/metadc38448/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38448/"><img alt="Report of the Nonmetals Division: Fiscal Year 1942" title="Report of the Nonmetals Division: Fiscal Year 1942" src="https://digital.library.unt.edu/ark:/67531/metadc38448/small/"/></a></p><p>Report issued by the Bureau of Mines over the operations of the Nonmetals Division during 1942. The work done by the division is discussed. This report includes tables, illustrations, and photographs.</p>Diesel Engines Underground: [Part] 4. Effect on Composition of Exhaust Gas of Variables Influencing Fuel Injection2012-08-31T21:48:36-05:00https://digital.library.unt.edu/ark:/67531/metadc38453/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38453/"><img alt="Diesel Engines Underground: [Part] 4. Effect on Composition of Exhaust Gas of Variables Influencing Fuel Injection" title="Diesel Engines Underground: [Part] 4. Effect on Composition of Exhaust Gas of Variables Influencing Fuel Injection" src="https://digital.library.unt.edu/ark:/67531/metadc38453/small/"/></a></p><p>Report issued by the Bureau of Mines over diesel engine operations. As stated in the introduction, "it is the purpose of this report to present such data and to reemphasize the importance of adequate maintenance for diesel engines used underground" (p. 2). This report includes tables, and illustrations.</p>Briquetting Subbituminous Coal2012-08-31T21:48:36-05:00https://digital.library.unt.edu/ark:/67531/metadc38454/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38454/"><img alt="Briquetting Subbituminous Coal" title="Briquetting Subbituminous Coal" src="https://digital.library.unt.edu/ark:/67531/metadc38454/small/"/></a></p><p>Report issued by the Bureau of Mines over briquetting of coal for development of more effective fuel. Materials, equipment, and processes are discussed. This report includes tables, illustrations, and photographs.</p>Flood-Prevention Projects at Pennsylvania Anthracite Mines: A Preliminary Study2012-08-31T21:48:36-05:00https://digital.library.unt.edu/ark:/67531/metadc38459/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38459/"><img alt="Flood-Prevention Projects at Pennsylvania Anthracite Mines: A Preliminary Study" title="Flood-Prevention Projects at Pennsylvania Anthracite Mines: A Preliminary Study" src="https://digital.library.unt.edu/ark:/67531/metadc38459/small/"/></a></p><p>Report issued by the Bureau of Mines over flood-prevention methods at Pennsylvania anthracite mines. The flood-prevention projects are discussed. This report includes tables, maps, photographs, and illustrations.</p>Petroleum-Engineering Study of the New Hope Oil Field, Franklin County, Texas2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38530/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38530/"><img alt="Petroleum-Engineering Study of the New Hope Oil Field, Franklin County, Texas" title="Petroleum-Engineering Study of the New Hope Oil Field, Franklin County, Texas" src="https://digital.library.unt.edu/ark:/67531/metadc38530/small/"/></a></p><p>Report issued by the Bureau of Mines regarding studies on the modern petroleum engineering techniques used in Franklin County, Texas. Drilling methods, and analysis of the core samples are presented. This report includes tables, and graphs.</p>Investigation of the Huber-Rydalch Manganese Deposits, Tooele County, Utah2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38531/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38531/"><img alt="Investigation of the Huber-Rydalch Manganese Deposits, Tooele County, Utah" title="Investigation of the Huber-Rydalch Manganese Deposits, Tooele County, Utah" src="https://digital.library.unt.edu/ark:/67531/metadc38531/small/"/></a></p><p>Report issued by the Bureau of Mines on the manganese deposits in Tooele County, Utah. The physical features, geology, and descriptions of the deposit samples are listed. This report includes tables, and illustrations.</p>Investigation of the Yellow Pine Zinc-Lead Mine, Clark County, Nevada2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38532/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38532/"><img alt="Investigation of the Yellow Pine Zinc-Lead Mine, Clark County, Nevada" title="Investigation of the Yellow Pine Zinc-Lead Mine, Clark County, Nevada" src="https://digital.library.unt.edu/ark:/67531/metadc38532/small/"/></a></p><p>Report issued by the Bureau of Mines regarding studies conducted on zinc-lead mines in Clark County, Nevada. Physical qualities of the mine, equipment used, and methods of sampling are presented. This report includes tables, and maps.</p>National Motor-Gasoline Survey: Summer 19492012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38534/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38534/"><img alt="National Motor-Gasoline Survey: Summer 1949" title="National Motor-Gasoline Survey: Summer 1949" src="https://digital.library.unt.edu/ark:/67531/metadc38534/small/"/></a></p><p>Report issued by the Bureau of Mines over motor-fuels sold during the summer of 1949. The properties of the fuels sampled are presented. This report includes tables, and graphs.</p>Report on the Investigation of the Fire at the Liquefaction, Storage, and Regasification Plant of the East Ohio Gas Co., Cleveland Ohio, October 20, 19442012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38535/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38535/"><img alt="Report on the Investigation of the Fire at the Liquefaction, Storage, and Regasification Plant of the East Ohio Gas Co., Cleveland Ohio, October 20, 1944" title="Report on the Investigation of the Fire at the Liquefaction, Storage, and Regasification Plant of the East Ohio Gas Co., Cleveland Ohio, October 20, 1944" src="https://digital.library.unt.edu/ark:/67531/metadc38535/small/"/></a></p><p>Report issued by the Bureau of Mines over investigations conducted on the 1944 fire at the East Ohio Gas Company. Descriptions of the plant, and construction of the gas tanks are listed. A detailed description of the disaster, and its aftermath are also presented. This report includes tables, maps, illustrations, and photographs.</p>Method of Assaying Oil Shale by a Modified Fischer Retort: Revision of R. I. 39772012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38536/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38536/"><img alt="Method of Assaying Oil Shale by a Modified Fischer Retort: Revision of R. I. 3977" title="Method of Assaying Oil Shale by a Modified Fischer Retort: Revision of R. I. 3977" src="https://digital.library.unt.edu/ark:/67531/metadc38536/small/"/></a></p><p>Report issued by the Bureau of Mines over studies of the processes used in oil-shale assay methods. Updated methods are provided from a previous report on the same topic. This report includes tables, graphs, and illustrations.</p>National Motor-Gasoline Survey: Winter 1947-482012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38499/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38499/"><img alt="National Motor-Gasoline Survey: Winter 1947-48" title="National Motor-Gasoline Survey: Winter 1947-48" src="https://digital.library.unt.edu/ark:/67531/metadc38499/small/"/></a></p><p>Report issued by the Bureau of Mines on the motor-fuels sold during the winter of 1947-1948. Characteristics of the fuel samples obtained are listed. This report includes tables, graphs, and a map.</p>Investigation of Chromite Deposits of the Stillwater Complex, Stillwater and Sweetgrass Counties, Montana2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38501/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38501/"><img alt="Investigation of Chromite Deposits of the Stillwater Complex, Stillwater and Sweetgrass Counties, Montana" title="Investigation of Chromite Deposits of the Stillwater Complex, Stillwater and Sweetgrass Counties, Montana" src="https://digital.library.unt.edu/ark:/67531/metadc38501/small/"/></a></p><p>Report issued by the Bureau of Mines regarding the chromite deposits in Stillwater and Sweetgrass counties. Characteristics of the chromite samples are presented. This report includes tables, maps, and illustrations.</p>Laramie Sponge-Iron Pilot Plant2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38502/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38502/"><img alt="Laramie Sponge-Iron Pilot Plant" title="Laramie Sponge-Iron Pilot Plant" src="https://digital.library.unt.edu/ark:/67531/metadc38502/small/"/></a></p><p>Report issued by the Bureau of Mines over studies conducted on the pilot plant in Laramie County, Wyoming. As stated in the introduction, "the purpose of this report is to record information derived from recent experimental work that had as its objective the development and demonstration of one method of producing sponge iron" (p. 2). This report includes tables, illustrations, and photographs.</p>Investigation of the Electric Point and Gladstone Lead-Zinc Mines, Stevens County, Washington2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38503/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38503/"><img alt="Investigation of the Electric Point and Gladstone Lead-Zinc Mines, Stevens County, Washington" title="Investigation of the Electric Point and Gladstone Lead-Zinc Mines, Stevens County, Washington" src="https://digital.library.unt.edu/ark:/67531/metadc38503/small/"/></a></p><p>Report issued by the Bureau of Mines regarding studies conducted on lead-zinc mines in Stevens County, Washington. As stated in the introduction, "this report presents the factual data obtained from the trenching and sampling operations" (p. 1). This report includes tables, maps, and illustrations.</p>Investigation of the Zinc-Lead Deposits in Horizons Below the Grand Falls Chert, Galena District, Cherokee County, Kansas2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38504/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38504/"><img alt="Investigation of the Zinc-Lead Deposits in Horizons Below the Grand Falls Chert, Galena District, Cherokee County, Kansas" title="Investigation of the Zinc-Lead Deposits in Horizons Below the Grand Falls Chert, Galena District, Cherokee County, Kansas" src="https://digital.library.unt.edu/ark:/67531/metadc38504/small/"/></a></p><p>Report issued by the Bureau of Mines over studies conducted on the zinc-lead deposits in Cherokee County, Kansas. As stated in the introduction, "the purpose of this report is to present the factual data derived from both the preliminary examination and the subsequent field work." (p. 3). This report includes tables, and maps.</p>Core-Drilling Testing for Base-Metal Mineralization Below the Hope Silver Mines, Granite County, Montana2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38505/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38505/"><img alt="Core-Drilling Testing for Base-Metal Mineralization Below the Hope Silver Mines, Granite County, Montana" title="Core-Drilling Testing for Base-Metal Mineralization Below the Hope Silver Mines, Granite County, Montana" src="https://digital.library.unt.edu/ark:/67531/metadc38505/small/"/></a></p><p>Report issued by the Bureau of Mines over base-metal testing conducted in Granite County, Montana. Descriptions of the deposits, geology, and the factual data obtained during testing are presented. This report includes tables, maps, and illustrations.</p>Investigation of the Sheep Creek Iron Deposits Meagher County, Montana2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38506/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38506/"><img alt="Investigation of the Sheep Creek Iron Deposits Meagher County, Montana" title="Investigation of the Sheep Creek Iron Deposits Meagher County, Montana" src="https://digital.library.unt.edu/ark:/67531/metadc38506/small/"/></a></p><p>Report issued by the Bureau of Mines regarding studies conducted on iron deposits located in Meagher County, Montana. As noted in the introduction, "details of geology, sampling, and beneficiation tests are presented in this report" (p. 1). This report includes tables, maps, and illustrations.</p>Investigation of Big Ben Molybdenum Deposit, Neihart District, Cascade County, Montana2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38507/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38507/"><img alt="Investigation of Big Ben Molybdenum Deposit, Neihart District, Cascade County, Montana" title="Investigation of Big Ben Molybdenum Deposit, Neihart District, Cascade County, Montana" src="https://digital.library.unt.edu/ark:/67531/metadc38507/small/"/></a></p><p>Report issued by the Bureau of Mines over studies conducted on molybdenum deposits in the Neihart District of Cascade County. As stated in the introduction, "this report describes the deposit, presents the factual data obtained from the sampling and core-drilling operations, and summarizes the results of the metallurgical studies" (p. 2). This report includes tables, maps, and illustrations.</p>Investigation of Zinc-Lead Deposits on Extensions of the Miami Trough, Ottawa County, Oklahoma, and Cherokee County, Kansas2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38508/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38508/"><img alt="Investigation of Zinc-Lead Deposits on Extensions of the Miami Trough, Ottawa County, Oklahoma, and Cherokee County, Kansas" title="Investigation of Zinc-Lead Deposits on Extensions of the Miami Trough, Ottawa County, Oklahoma, and Cherokee County, Kansas" src="https://digital.library.unt.edu/ark:/67531/metadc38508/small/"/></a></p><p>Report issued by the Bureau of Mines over studies conducted on zinc-lead fields of Oklahoma and Kansas. Properties of the physical features, geology, and drilling are presented. This report includes tables, maps, and illustrations.</p>Investigation of Whiteware Clay Deposit, Fergus County, Montana2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38509/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38509/"><img alt="Investigation of Whiteware Clay Deposit, Fergus County, Montana" title="Investigation of Whiteware Clay Deposit, Fergus County, Montana" src="https://digital.library.unt.edu/ark:/67531/metadc38509/small/"/></a></p><p>Report issued by the Bureau of Mines over studies conducted on the Whiteware clay deposit. As stated in the introduction, "this report presents the factual data obtained by the investigation, which also includes data on trenching and drilling, and the results of some refractory tests and chemical analyses of representative samples of the clay later taken from some of the best trench exposures and from adit dumps" (p. 1-2). This report includes tables, maps, and illustrations.</p>National Motor-Gasoline Survey: Summer 19482012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38510/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38510/"><img alt="National Motor-Gasoline Survey: Summer 1948" title="National Motor-Gasoline Survey: Summer 1948" src="https://digital.library.unt.edu/ark:/67531/metadc38510/small/"/></a></p><p>Report issued by the Bureau of Mines on motor fuels sold during the summer of 1948. The properties of the fuel samples are presented. This report includes tables, graphs, and a map.</p>Petroleum Engineering Study of the West Red River Field, Tillman County, Oklahoma2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38511/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38511/"><img alt="Petroleum Engineering Study of the West Red River Field, Tillman County, Oklahoma" title="Petroleum Engineering Study of the West Red River Field, Tillman County, Oklahoma" src="https://digital.library.unt.edu/ark:/67531/metadc38511/small/"/></a></p><p>Report issued by the Bureau of Mines over studies conducted on petroleum engineering in Oklahoma. Details of the drilling operations are presented. This report includes tables, maps, and illustrations.</p>Investigation of Sublette Ridge Vanadium Deposit, Lincoln County, Wyoming2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38513/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38513/"><img alt="Investigation of Sublette Ridge Vanadium Deposit, Lincoln County, Wyoming" title="Investigation of Sublette Ridge Vanadium Deposit, Lincoln County, Wyoming" src="https://digital.library.unt.edu/ark:/67531/metadc38513/small/"/></a></p><p>Report issued by the Bureau of Mines over studies conducted on vanadium deposits in Lincoln County. As noted in the introduction, "the following report covers the history of the district, outlines the physical features and communications, mentions the property, and notes the ownership. The deposits and ore are described, and work performed by the Bureau of Mines is explained in detail" (p. 1). This report includes tables, and maps.</p>Diamond Drilling in the Metaline District, Pend Oreille County, Washington2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38514/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38514/"><img alt="Diamond Drilling in the Metaline District, Pend Oreille County, Washington" title="Diamond Drilling in the Metaline District, Pend Oreille County, Washington" src="https://digital.library.unt.edu/ark:/67531/metadc38514/small/"/></a></p><p>Report issued by the Bureau of Mines on exploration by diamond drilling in Pend Oreille County. Results of the exploration are presented. This report includes tables, maps, illustrations, and photographs.</p>Cle Elum Iron-Nickel Deposits, Kittitas County, Washington2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38484/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38484/"><img alt="Cle Elum Iron-Nickel Deposits, Kittitas County, Washington" title="Cle Elum Iron-Nickel Deposits, Kittitas County, Washington" src="https://digital.library.unt.edu/ark:/67531/metadc38484/small/"/></a></p><p>Report issued by the Bureau of Mines over studies conducted on the iron-nickel deposits of Kittitas County, Washington. As stated in the introduction, "the investigation consisted of road building, diamond drilling, sampling, and metallurgical tests" (p. 1). This report includes tables and maps.</p>Bucket-Drilling the Coso Mercury Deposit, Inyo County, California2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38485/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38485/"><img alt="Bucket-Drilling the Coso Mercury Deposit, Inyo County, California" title="Bucket-Drilling the Coso Mercury Deposit, Inyo County, California" src="https://digital.library.unt.edu/ark:/67531/metadc38485/small/"/></a></p><p>Report issued by the Bureau of Mines on the Coso mercury deposits of Inyo County, and development of the bucket drill for obtaining samples. Descriptions of the physical features of the deposits are listed. This report includes tables, maps, photographs, and illustrations.</p>Beryl Mountain, Sullivan County, New Hampshire2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38486/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38486/"><img alt="Beryl Mountain, Sullivan County, New Hampshire" title="Beryl Mountain, Sullivan County, New Hampshire" src="https://digital.library.unt.edu/ark:/67531/metadc38486/small/"/></a></p><p>Report issued by the Bureau of Mines over exploration of mineral deposits on Beryl Mountain. As stated in the introduction, "testing by surface cuts, trenching, and tunneling was conducted by the Bureau of Mines from August to December 1943" (p. 1). This report includes maps.</p>Georgia Mica Spots: Cherokee, Upson, Lamar, and Monroe Counties2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38487/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38487/"><img alt="Georgia Mica Spots: Cherokee, Upson, Lamar, and Monroe Counties" title="Georgia Mica Spots: Cherokee, Upson, Lamar, and Monroe Counties" src="https://digital.library.unt.edu/ark:/67531/metadc38487/small/"/></a></p><p>Report issued by the Bureau of Mines over studies of mica deposits throughout four counties in Georgia. Descriptions of the physical features of the mines, and deposits are presented. This report includes tables, maps, and photographs.</p>Explosions of Ammonium Nitrate Fertilizer on Board the S. S. Grandcamp and S. S. High Flyer at Texas City, Texas, April 16, 17, 19472012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38488/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38488/"><img alt="Explosions of Ammonium Nitrate Fertilizer on Board the S. S. Grandcamp and S. S. High Flyer at Texas City, Texas, April 16, 17, 1947" title="Explosions of Ammonium Nitrate Fertilizer on Board the S. S. Grandcamp and S. S. High Flyer at Texas City, Texas, April 16, 17, 1947" src="https://digital.library.unt.edu/ark:/67531/metadc38488/small/"/></a></p><p>Report issued by the Bureau of Mines regarding explosions that took place on two separate cargo ships in 1947. The observations, data collected, and testing done during investigations of the disaster are presented. This report includes photographs, and illustrations.</p>National Motor-Gasoline Survey: Summer 19472012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38489/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38489/"><img alt="National Motor-Gasoline Survey: Summer 1947" title="National Motor-Gasoline Survey: Summer 1947" src="https://digital.library.unt.edu/ark:/67531/metadc38489/small/"/></a></p><p>Report issued by the Bureau of Mines on the motor-fuels sold during the summer months of 1947. The types of fuels sold, and characteristics of the fuel samples obtained are listed. This report includes tables, and graphs.</p>Investigation of Arkansas Bauxite2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38490/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38490/"><img alt="Investigation of Arkansas Bauxite" title="Investigation of Arkansas Bauxite" src="https://digital.library.unt.edu/ark:/67531/metadc38490/small/"/></a></p><p>Report issued by the Bureau of Mines over exploratory work conducted on the bauxite deposits of Arkansas. Descriptions of geophysical characteristics and core drilling results are presented. This report includes tables, maps, illustrations, and photographs.</p>Mining Program: Bureau of Mines Oil-Shale Project, Rifle, Colorado2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38491/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38491/"><img alt="Mining Program: Bureau of Mines Oil-Shale Project, Rifle, Colorado" title="Mining Program: Bureau of Mines Oil-Shale Project, Rifle, Colorado" src="https://digital.library.unt.edu/ark:/67531/metadc38491/small/"/></a></p><p>Report issued by the Bureau of Mines on the development of efficient mining methods for producing oil shale. Characteristics of the oil shale deposits of the Green River are presented. The results of core drilling and sampling in this area are also listed. This report includes tables, illustrations, maps, and photographs.</p>Investigation of Meta-Anthracite in Newport and Providence Counties, Rhode Island: Petrography, Chemical Characteristics, and Geology of Deposits: I. Investigation of the Field and the Physical and Chemical Characteristics of the Deposits; II. Preliminary Geologic Study of the Portsmouth and Cranston Areas, Rhode Island; III. General Conclusions2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38492/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38492/"><img alt="Investigation of Meta-Anthracite in Newport and Providence Counties, Rhode Island: Petrography, Chemical Characteristics, and Geology of Deposits: I. Investigation of the Field and the Physical and Chemical Characteristics of the Deposits; II. Preliminary Geologic Study of the Portsmouth and Cranston Areas, Rhode Island; III. General Conclusions" title="Investigation of Meta-Anthracite in Newport and Providence Counties, Rhode Island: Petrography, Chemical Characteristics, and Geology of Deposits: I. Investigation of the Field and the Physical and Chemical Characteristics of the Deposits; II. Preliminary Geologic Study of the Portsmouth and Cranston Areas, Rhode Island; III. General Conclusions" src="https://digital.library.unt.edu/ark:/67531/metadc38492/small/"/></a></p><p>Report issued by the Bureau of Mines over studies conducted on the meta-anthracite of Rhode Island. The physical and chemical characteristics, geology, and petrography of the deposits are presented in three parts. The methods used in the study are also listed. This report includes tables, maps, photographs, and illustrations.</p>Flood-Prevention Projects at Pennsylvania Anthracite Mines: Progress Report for Fiscal Year Ended June 30, 19472012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38493/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38493/"><img alt="Flood-Prevention Projects at Pennsylvania Anthracite Mines: Progress Report for Fiscal Year Ended June 30, 1947" title="Flood-Prevention Projects at Pennsylvania Anthracite Mines: Progress Report for Fiscal Year Ended June 30, 1947" src="https://digital.library.unt.edu/ark:/67531/metadc38493/small/"/></a></p><p>Report issued by the Bureau of Mines over the progress made on flood prevention in anthracite mines. As stated in the report, "the broad objective of the investigative work was to obtain factual data on: 1. anthracite reserves of Pennsylvania, 2. underground water pools, 3. barrier pillars, 4. the "buried valley" of the Susquehanna River, and 5. infiltration of surface water into underground mine workings" (p. 4). This report includes tables, graphs, maps, photographs, and illustrations.</p>Applicability of Radio to Emergency Mine Communications: Progress Report, September 1946 to November 19472012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38494/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38494/"><img alt="Applicability of Radio to Emergency Mine Communications: Progress Report, September 1946 to November 1947" title="Applicability of Radio to Emergency Mine Communications: Progress Report, September 1946 to November 1947" src="https://digital.library.unt.edu/ark:/67531/metadc38494/small/"/></a></p><p>Report issued by the Bureau of Mines over the progress made in emergency mine communications. The results of testing done on low-frequency radio communication are presented. This report includes tables, graphs, illustrations, and photographs.</p>Investigation of Melrose Zinc-Lead District, Ottawa County, Oklahoma, and Cherokee County, Kansas2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38496/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38496/"><img alt="Investigation of Melrose Zinc-Lead District, Ottawa County, Oklahoma, and Cherokee County, Kansas" title="Investigation of Melrose Zinc-Lead District, Ottawa County, Oklahoma, and Cherokee County, Kansas" src="https://digital.library.unt.edu/ark:/67531/metadc38496/small/"/></a></p><p>Report issued by the Bureau of Mines over studies conducted on the Melrose zinc-lead deposits. Methods used in the investigation are listed. The characteristics of the zinc-lead deposits are presented also. This report includes tables, maps, and illustrations.</p>Investigation of the Blewett Zinc-Lead Deposit, Jo Daviess County, Illinois2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38497/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38497/"><img alt="Investigation of the Blewett Zinc-Lead Deposit, Jo Daviess County, Illinois" title="Investigation of the Blewett Zinc-Lead Deposit, Jo Daviess County, Illinois" src="https://digital.library.unt.edu/ark:/67531/metadc38497/small/"/></a></p><p>Report issued by the Bureau of Mines over studies conducted on the Blewett zinc-lead mine of Illinois. Samples obtained through churn-drill and diamond drill holes are analyzed. This report includes tables, maps, and illustrations.</p>A Process for the Production of Iron-Free Alum: Part 2. Pilot-Plant Development2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38498/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38498/"><img alt="A Process for the Production of Iron-Free Alum: Part 2. Pilot-Plant Development" title="A Process for the Production of Iron-Free Alum: Part 2. Pilot-Plant Development" src="https://digital.library.unt.edu/ark:/67531/metadc38498/small/"/></a></p><p>Report issued by the Bureau of Mines over studies conducted on the production processes of iron-free alum. This is the second part of the report, and focuses on the development and operation of a continuous pilot plant. This report includes tables, graphs, photographs, and illustrations.</p>Zinc-Lead Ore Reserves of the Tri-State District, Missouri-Kansas-Oklahoma2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38515/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38515/"><img alt="Zinc-Lead Ore Reserves of the Tri-State District, Missouri-Kansas-Oklahoma" title="Zinc-Lead Ore Reserves of the Tri-State District, Missouri-Kansas-Oklahoma" src="https://digital.library.unt.edu/ark:/67531/metadc38515/small/"/></a></p><p>Report issued by the Bureau of Mines over studies of zinc-lead reserves in the tri-state area. The results of the studies are presented. This report includes tables, maps, and illustrations.</p>The Leadville Drainage Tunnel, Lake County, Colorado2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38516/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38516/"><img alt="The Leadville Drainage Tunnel, Lake County, Colorado" title="The Leadville Drainage Tunnel, Lake County, Colorado" src="https://digital.library.unt.edu/ark:/67531/metadc38516/small/"/></a></p><p>Report issued by the Bureau of Mines over the Leadville Drainage Tunnel. Descriptions and details about the tunnel are presented. This report includes tables, maps, illustrations, and photographs.</p>Investigations of Salt River Vanadium Deposits, Lincoln County, Wyoming2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38517/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38517/"><img alt="Investigations of Salt River Vanadium Deposits, Lincoln County, Wyoming" title="Investigations of Salt River Vanadium Deposits, Lincoln County, Wyoming" src="https://digital.library.unt.edu/ark:/67531/metadc38517/small/"/></a></p><p>Report issued by the Bureau of Mines over studies conducted on the vanadium deposits of Lincoln County, Wyoming. As stated in the introduction, "the work performed by the Bureau of Mines is explained in detail and supplemented with plans, sections, and a complete set of sample analyses. Proposed mining methods are discussed, and metallurgical tests are outlined" (p. 2). This report includes tables, maps, and illustrations.</p>Lead-Zinc-Silver in the Poughkeepsie District and Part of the Upper Uncompahgre and Mineral Point Districts, Ouray and San Juan Counties, Colorado2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38518/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38518/"><img alt="Lead-Zinc-Silver in the Poughkeepsie District and Part of the Upper Uncompahgre and Mineral Point Districts, Ouray and San Juan Counties, Colorado" title="Lead-Zinc-Silver in the Poughkeepsie District and Part of the Upper Uncompahgre and Mineral Point Districts, Ouray and San Juan Counties, Colorado" src="https://digital.library.unt.edu/ark:/67531/metadc38518/small/"/></a></p><p>Report issued by the Bureau of Mines over mining districts in Colorado. As noted in the introduction, "in this report the physical features, climate, and ore deposits of the districts are described, and a brief history of mining and production of lead, zinc, and silver is given" (p. 4). This report includes tables, illustrations, and maps.</p>Investigation of Casper Mountain Chromite Deposits, Natrona County, Wyoming2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38519/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38519/"><img alt="Investigation of Casper Mountain Chromite Deposits, Natrona County, Wyoming" title="Investigation of Casper Mountain Chromite Deposits, Natrona County, Wyoming" src="https://digital.library.unt.edu/ark:/67531/metadc38519/small/"/></a></p><p>Report issued by the Bureau of Mines over a large chromite deposit on Casper Mountain. Description of the deposit is listed. This report includes tables, maps, and illustrations.</p>Investigation of Capitan Iron Deposits, Lincoln County, New Mexico: Supplement to R. I. 40222012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38520/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38520/"><img alt="Investigation of Capitan Iron Deposits, Lincoln County, New Mexico: Supplement to R. I. 4022" title="Investigation of Capitan Iron Deposits, Lincoln County, New Mexico: Supplement to R. I. 4022" src="https://digital.library.unt.edu/ark:/67531/metadc38520/small/"/></a></p><p>Report issued by the Bureau of Mines on iron deposits located in Lincoln County. Properties of the iron deposits are presented. This report includes tables, maps, and illustrations.</p>Titanium Minerals in Central and Northeastern Florida2012-06-06T14:34:05-05:00https://digital.library.unt.edu/ark:/67531/metadc38521/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc38521/"><img alt="Titanium Minerals in Central and Northeastern Florida" title="Titanium Minerals in Central and Northeastern Florida" src="https://digital.library.unt.edu/ark:/67531/metadc38521/small/"/></a></p><p>Report issued by the Bureau of Mines over titanium minerals in Florida. Evaluation of titanium samples obtained is presented. This report includes tables, and maps.</p>