14,045 Matching Results

Search Results

Advanced search parameters have been applied.
in subjects: "Coal"  
Results: 1 - 24 next

Directions for Sampling Coal for Shipment or Delivery

Description: Technical paper issued by the Bureau of Mines with instructions for coal sampling for shipment. As stated in the introduction, "this paper deals with the sampling of coal after it has been mined" (p. 5). This paper includes illustrations.
Date: June 1917
Creator: Pope, George S.
Item Type: Refine your search to only Book
Partner: UNT Libraries Government Documents Department

The Ashland Coal Field, Rosebud, Powder River, and Custer Counties, Montana

Description: From introduction: The detailed information concerning the coal deposits of the Ashland field set forth in this report has been obtained in the course of an investigation that has been conducted both as a part of the United States Geological Survey's general systematic study of western coal lands and as an aid in the administration of the public lands. With the information obtained on the location of outcrops, the number, distribution, and thickness of coal beds, the accessibility of the coal, and the thickness of the overburden, the public lands of the region are classified as to their coal value; coal-bearing lands are differentiated from noncoal-bearing lands; and the administration of the coal-land leasing law is facilitated.
Date: 1932
Creator: Bass, N. Wood
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Analyses of Virginia Coals

Description: Report containing several articles discussing coal in the state of Virginia. These articles cover geographic deposition of coal, coal production, mining methods, and analyses of coal samples. Index begins on page 71.
Date: 1926
Creator: Eby, J. Brian, (James Brian), 1896-; Campbell, Marius Robinson, 1858-1940; Paul, J. W.; Fieldner, Arno Carl, 1881-1966; Cooper, Harry Mac, 1882-; Osgood, F. D., 1888-1935 et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

U.S. and World Coal Production, Federal Taxes, and Incentives

Description: This report serves as a primer on U.S. and world coal resources and production and highlights some of the congressional interest related to coal production on U.S. federal lands. The report primarily describes the past 10 years of coal activity but also includes a discussion of future coal production projections and federal coal incentives, many of which do not expire.
Date: March 14, 2013
Creator: Humphries, Marc & Sherlock, Molly F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Estimate of Known Recoverable Reserves and Preparation Characteristics of Coking Coal in Van Buren County, Tennessee

Description: Report issued by the Bureau of Mines over investigations of Coking Coal reserves of Van Buren County, Tennessee. Testing to determine suitability for producing metallurgical coke is also presented. This report includes tables, maps, and illustrations.
Date: March 1956
Creator: Hershey, Robert E.; Williams, Lloyd; Crentz, William L. & Miller, J. W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Special Equipment in the Coal-Hydrogenation Demonstration Plant

Description: Report issued by the Bureau of Mines over the equipment used in coal hydrogenation demonstration plants. Detailed descriptions of the equipment and machinery are presented. This report includes tables, illustrations, and photographs.
Date: January 1950
Creator: Markovits, J. A.; Braun, K. C.; Donovan, J. T. & Sandaker, J. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Investigation of Subbituminous-Coal Beds Near Houston, Westward Extremity of Matanuska Coalfield, Alaska

Description: Report issued by the Bureau of Mines over a study conducted on the Houston coal mine. Descriptions of the location, geology, and production of the coal mine are presented. This report includes tables, maps, and illustrations.
Date: August 1957
Creator: May, R. R. & Warfield, R. S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Estimate of Known Recoverable Reserves and the Preparation and Carbonizing Properties of Coking Coal in Anderson County, Tennessee

Description: Report issued by the Bureau of Mines over investigations of coking coal reserves of Anderson County, Tennessee. Testing to determine suitability for producing metallurgical coke is also presented. This report includes tables, maps, photographs, and illustrations.
Date: December 1955
Creator: Williams, Lloyd; James, Curtis; Gandrud, B. W. & Reynolds, D. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Size Consist, Chemical Analysis, and Physical Properties of 2-1/2-Inch Subbituminous Slack from the Denver, Colorado Region

Description: Report issued by the U.S. Bureau of Mines on sub-bituminous slack from Denver, Colorado. The characteristics and properties of 2-1/2 inch slack samples are listed. This report includes tables, graphs, maps, illustrations, and photographs.
Date: August 1942
Creator: Parry, V. F. & Landers, W. S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Preparation Characteristics of Pennsylvania Anthracite from the Bottom Red Ash Bed, Northern Field

Description: Report issued by the Bureau of Mines on the anthracite coal in the Bottom Red Ash Bed in Pennsylvania. The coal samples were analyzed for thickness and geologic structure. The amount of recoverable coal was also estimated. This report includes tables, maps, and illustrations.
Date: July 1967
Creator: Sanner, William S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Studies of the Extraction and Coking of Coal and their Significance in Relation to its Structure

Description: From Summary: "This Paper is concerned with two aspects of the behavior of coal: (1) Dispersion by solvents at atmospheric pressure and high temperature and (2) the destruction and regeneration of the coking properties of coal."
Date: 1951
Creator: Orchin, M.; Golumbic, C.; Anderson, J. E. & Storch, H. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Sampling Coal Deliveries and Types of Government Specifications for the Purchase of Coal

Description: From Introduction: "Therefore the method of taking and preparing samples for shipment to the laboratory has been given fully as much care as the making of the analyses and tests, and a general plan of collecting samples fairly representative of the delivered coal has been evolved through various modifications and improvements based on experience and increased knowledge of the physical and chemical characteristics of the various coals that are purchased by the Government. The method that is in general use by the Government is described in the following pages."
Date: 1913
Creator: Pope, George S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

The Origin of Coal

Description: From Introduction: "The purpose of the studies that form the basis of this report was to learn from microscopic examinations of coal how far and in what ways the grouping of coal by types depends on differences in the kinds of plant material from which it was formed and on the conditions of its accumulation, or how far the special characters or qualities of coal of any type were determined by the nature and the state of the plate debris from which the coal was formed."
Date: 1913
Creator: White, David & Thiessen, Reinhardt
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910: Part 1. -- Analyses

Description: From Significance and value of Analyses of Coal: "The analyses published in this report cover samples of coal collected in many different parts of the country with unusual care by experiences men, in such manner as to make them representative of extensive beds of coal."
Date: 1913
Creator: Lord, N. W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Government Coal Purchases Under Specifications with Analyses for the Fiscal Year 1909-10,

Description: From Introduction: "This bulletin is the fourth of a series showing the results of the purchase of coal by the Government under specifications. The work of inspecting and analyzing coal delivered on Government contracts was transferred to the Bureau of Mines by an act of Congress effective July 1, 1910. It had been carried on for several years before that date by the technologic branch of the United States Geological Survey. The purpose of this paper is to explain in general terms the methods that the Government has found most satisfactory for the purchase of a large part of its coal supply, including the consideration of bids, the awarding of contracts, and the analyzing of samples on which the price corrections are based."
Date: 1912
Creator: Pope, George S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Methods of Sampling Delivered Coal and Specifications for the Purchase of Coal for the Government

Description: From Introduction: "This bulletin is a revision of Bulletin 63 and is published by the Bureau of Mines in order that purchasers of coal for Government, State, municipal, or private use may be informed regarded advances or refinements in sampling coal deliveries and preparing specifications for the purchase of coal."
Date: 1916
Creator: Pope, George S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Purchase of Coal by the Government Under Specifications: with Analysis of Coal Delivered for the Fiscal Year 1908-9

Description: From Introduction: "This bulletin is the third of a series showing the results of government purchases of coal according to specifications as to its quality and giving typical forms of proposals for supplying coal and general information relating to government coal purchases. This paper gives in detail the results of government purchases of coal for the fiscal year 1908-9 and the list of contracts with abstracts of specifications for the fiscal year 1909-10, and summarizes the information on this subject obtained by the Survey."
Date: 1910
Creator: Pope, George S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Methods of Analyzing Coal and Coke

Description: From Introduction: "The Bureau of Mines has received many requests for information concerning the methods its laboratories use for analyzing coal and coke and determining their heating value."
Date: 1951
Creator: Fieldner, A. C. & Selvig, W. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Measurement and Significance of the Flow Properties of Coal-Ash Slag

Description: From introduction: "This bulletin consolidates the essential features of all research reports published by the Bureau of Mines on the flow properties of coal-ash slag, with particular emphasis on both the experimental procedures and employed and the interpretation of the experimental results."
Date: unknown
Creator: Corey, Richard C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Determination of Phenols in Coal Tars and Hydroxyl Groups in Coal by Forming Trimethylsilyl Ethers

Description: From Introduction: "This report reviews related previous work and describes studies by the Bureau of Mines on (1) the development of new methods for analyzing phenols, (2) the development of a specific method for the determination of phenolic hydoxyl groups in coal, and (3) the preparation and properties of trimethylsiyl derivatives of individual phenols."
Date: 1963
Creator: Friedman, Sidney; Zahn, Charles; Kaufman, Marvin & Wender, Irving
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department