UNT Libraries Government Documents Department - 204 Matching Results

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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.

What is Known about the Effect of Smoke on Health

Description: From title page: "For some years the Bureau of Mines, in connection with its investigations relating to efficiency in the combustion of fuels, as been engaged in a study of smoke prevention. Popular support for such work is usually based upon the injurious effects of smoke on the human ssytem, and this paper is published as a contribution to the literature dealing with that subject."
Date: December 7, 1926
Creator: White, William Charles

Reduction Mills in Montana in 1925

Description: List of reduction mills in Montana, compiled in the course of investigations of mineral resources of Montana. It includes information about each loaction including: the process, character of ore, when the mill was operated, and custom work; equipment and power used; and capacity in tons.
Date: March 1927
Creator: Gerry, C. N.

Ocher and Ochery Earths

Description: Report about ocher or ochery earth, "a natural mineral pigment composed largely of clay permeated with hydrated iron (ferric oxide)" (p. 2). It includes information about the uses of choer, substitutes, artificial ocher, mining and local deposits, import and export of ocher, and related information.
Date: May 1929
Creator: Santmyers, R. M.

The Analytical Distillation of Petroleum and its Products

Description: From Introduction: "The Bureau of Mines has studied apparatus and procedure for the distillation analysis of petroleum, and this report is presented as a record of developments up to the present time. The work is incomplete, but the extensive information that has been obtained to date is made available as a guide in handling laboratory distillation problems."
Date: 1922
Creator: Dean, E. W.; Hill, H. H.; Smith, N. A. C. & Jacobs, W. A.

Beneficiation and Utilization of Georgia Clays

Description: From Introduction: "This report is divided into six parts as follows: (1) Occurrence of clays in Georgia and the source of the clays tested; (2) washing tests; (3) physical test; (4) utilization of kaolins white ware; (5) utilization of clays in refractories; and (6) utilization of clays in face brick."
Date: 1926
Creator: Stull, R. T. & Bole, G. A.

Oxides in Pig Iron: Their Origin and Action in the Steel-Making Process

Description: From Introduction: "In summarizing the evidence in the literature it is apparent that there is general agreement among furnace men on the existence of so-called "bad-iron." It is also evident that the existence of dissolved or occluded gases is not an explanation. The presence of suspended oxides has been proved, and at least one plausible explanation for their formation has been given."
Date: 1929
Creator: Herty, C. H., Jr. & Gaines, J. M., Jr.

Methods, Costs, and Safety in Stripping and Mining Coal, Copper Ore, Iron Ore, Bauxite, and Pebble Phosphate

Description: From Extent of Open-Pit Mining and Purpose of this Publication: "Various methods and machines are employed, and costs are low; in fact, costs have to be low because coal and ores command a low price on the market. These factors, together with queries on methods and costs of stripping and the increase in open-pit mining, have justified investigation by the Bureau of Mines for this form of mining and publication of the results in this report."
Date: 1929
Creator: United States. Bureau of Mines.

Mine Timber: Its Selection, Storage, Treatment, and Use

Description: From Introduction Purpose and Scope of Bulletin: "The purpose of this bulletin is to point out some of the benefits and economies to be derived by selecting, preparing, storing, pre-serving, and utilizing mine timber more carefully and to give some specific information on certain preservatives and processes suitable for mine timber."
Date: 1925
Creator: Hornor, R. R. & Tufft, Harry E.

Manual of Testing Methods for Oil Shale and Shale Oil

Description: From Introduction: "This paper is presented, therefore, as a manual of apparatus and methods that the bureau has developed for work on oil shale and found satisfactory for routine tests and for research. Explanation and discussion of the principles underlying the methods of testing are included wherever necessary for a clearer understanding."
Date: 1926
Creator: Karrick, Lewis C.

Possibilities for the Commercial Utilization of Peat

Description: From Introduction: "The characteristics of the numerous varieties and types of peat and their geographic distribution in the United States have been discussed at length in those publications. This report therefore considers these topics only in their relation to the subjects specified in the following act (40 Stat. 1154) authorizing the investigation described herein."
Date: 1926
Creator: Odell, W. W. & Hood, O. P.

Gases from Blasting in Tunnels and Metal-Mine Drifts

Description: From Introduction: "This paper gives the results of sampling the gases from blasting drift rounds at five mines-the United Verde Extension, Calumet & Arizona, Old Dominion, Mountain Copper, and the United Verde-and of tunnel rounds at the Big Creek water tunnel and Moffat railroad tunnel. The paper also describes the rounds blasted and the methods of sampling and analyzing the gases. In all, 99 rounds were fired and 376 samples were taken."
Date: 1927
Creator: Gardner, E. D.; Howell, S. P. & Jones G. W.