UNT Libraries Government Documents Department - 29 Matching Results

Search Results

Results: 1 - 24 next
open access

Experiment Station Record, Volume 81, July-December, 1939

Description: Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, bibliographies, and listings for Spanish edition publications from the Puerto Rico Station. Name and subject indexes start on page 893.
Date: 1940
Creator: U.S. Department of Agriculture. Office of Experiment Stations.
Item Type: Refine your search to only Book
open access

Coal-Mine Accidents in the United States, 1937

Description: Report compiled by the U.S. Bureau of Mines including statistics on fatal and non-fatal accidents in coal mines located in the United States as well as data regarding the various operations (e.g., number of miners employed and average production). The information is organized into tables for comparison and the text draws some overall conclusions in the summary.
Date: 1940
Creator: Adams, William W.; Geyer, L. E. & Parry, M. G.
Item Type: Refine your search to only Report
open access

Quarry Accidents in the United States During the Calendar Year 1938

Description: Report published by the U.S. Bureau of Mines which is a compilation of accidents in quarries located in the United States with data regarding the number and kinds of accidents as well as information about the mining operations (e.g., number of men employed, kinds of quarries, amount of work performed, etc.).
Date: 1940
Creator: Adams, William W. & Wrenn, Virginia E.
Item Type: Refine your search to only Report
open access

Stemming in Metal Mines. Progress Report 2

Description: Report issued by the U.S. Bureau of Mines on the progress made in metal-mine stemming. Different types of stemming methods and testing procedures are presented. This report includes tables, illustrations, and photographs.
Date: August 1940
Creator: Johnson, John A.; Agnew, Wing G. & Mosier, McHenry
Item Type: Refine your search to only Report
open access

The Wheat Jointworm and Its Control

Description: Revised edition. "The wheat jointworm is a very small grub which lives in stems of wheat, feeding on the juices of the plant and causing a slight swelling or distortion of the stem above the joint. The egg from which it hatches is laid in the stem by an insect resembling a small black ant with wings. This insect attacks wheat only. The injury which it causes to wheat is very distinct from that caused by the Hessian fly, yet the effects caused by these two insects are often confused by farmers."… more
Date: 1940
Creator: Phillips, W. J. (William Jeter), 1879-1972 & Poos, F. W.
Item Type: Refine your search to only Pamphlet
open access

Soil Defense in the Pacific Southwest

Description: "The Pacific Southwest, as considered in this bulletin, embraces the two States -- California and Nevada. Evidences of soil and water losses are briefly touched upon, as are the factors contributing to these losses. The bulk of the bulletin deals with measures of defense that are now being employed on farms and range land within project areas of the Soil Conservation Service and in areas where members of Civilian Conservation Corps camps have been assigned to erosion-control activities." -- p. … more
Date: 1940
Creator: Rule, Glenn K. (Glenn Kenton), 1893- & Netterstrom, Ralph W.
Item Type: Refine your search to only Pamphlet
open access

Small Irrigation Pumping Plants

Description: "Throughout the United States are many farms, parts or all of which could be irrigated by pumping from either ponds or streams or farm wells. This bulletin is intended to furnish owners or operators of such farms with information that will give them some indication of initial and operating costs and enable them to determine whether soil and water suitable for irrigation are available and what kind of irrigation plant and equipment will be most satisfactory for their purpose. Having examined the… more
Date: 1940
Creator: Rohwer, Carl & Lewis, M. R. (Mortimer Reed), 1886-
Item Type: Refine your search to only Pamphlet
open access

Stock-Water Developments: Wells, Springs, and Ponds

Description: "The need for effective utilization of grazing areas and the scarcity of stock water have led to unprecedented activity in the development of water supplies during the last few years as a part of conservation practices in range and pasture areas. Economical construction, planned distribution, and adequacy of stock-watering centers are essential to profitable grazing enterprises. Inadequate coordination of stock-water developments with necessary conservation practices and the improper location o… more
Date: 1940
Creator: Hamilton, C. L. (Clifford Leslie), 1904- & Jepson, Hans G.
Item Type: Refine your search to only Pamphlet
open access

Cattle-Fever Ticks and Methods of Eradication

Description: Revised edition. This bulletin discusses the cattle-fever tick and methods for controlling it. Possible methods include dipping, pasture rotation, and arsenical dips. The life history of the tick is also discussed and instructions for constructing a concrete vat are given.
Date: 1940
Creator: Ellenberger, W. P. & Chapin, Robert M.
Item Type: Refine your search to only Pamphlet
open access

Mineral Industries Survey of the United States, California: Tuolumne and Mariposa Counties, Mother Lode District (South). Mines of the Southern Mother Lode Region, Part 2 -- Tuolumne and Mariposa Counties

Description: Report issued by the Bureau of Mines over mining operations in the southern Mother Lode Region of California. A review of this area is presented, and discussed. This report includes tables, illustrations, and photographs.
Date: 1940
Creator: Julihn, C. E. & Horton, F. W.
Item Type: Refine your search to only Report
open access

Safety Factors in Construction and Ventilation, Wawona Vehicular Tunnel, Yosemite National Park, California

Description: Report issued by the Bureau of Mines discussing the safety and ventilation hazards presented during the construction of the Wawona tunnel in Yosemite National Park. Safety precautions and procedures used during the construction are presented. This report includes tables, illustrations, and photographs.
Date: 1940
Creator: Ash, S. H.
Item Type: Refine your search to only Report
open access

Spirit Leveling in South Carolina: Part 2. Southern South Carolina, 1896-1938

Description: From introduction: This bulletin, which is published in two parts, contains the complete results of all spirit leveling done in South Carolina by the Geological Survey of the United States Department of the Interior, including those heretofore published.' The 34th parallel of latitude, passing through Columbia, serves to divide the State into two sections, each of which is represented by one of the parts of the bulletin. Part 1 deals with the section lying north of the 34th parallel, designated… more
Date: 1940
Creator: Staack, J. G.
Item Type: Refine your search to only Report
open access

An Autunite Deposit in the Rosamond Hills, Kern County, California

Description: From introduction: An autunite deposit in the SW 1/4 sec. 25, T. 10 N., R. 13 W. San Bernardino meridian, was visited by F. M. Chace on May 6 and 15, 1950. The deposit is about 100 yards west of a north-south country road and is at an altitude of approximately 2,775 feet. The autunite-bearing tuffaceous sandstone strikes N. 35-40 W. and dips 20 -25 SW. It has been traced about 40 feet along the strike at the base of the outcrop and for about 20 feet up the dip. Insufficient work was done to giv… more
Date: August 1940
Creator: Chace, F. M.
Item Type: Refine your search to only Report
Back to Top of Screen