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Recurrent Tropidoleptus Zones of the Upper Devonian in New York

Description: From introduction: This report describes the four zones, three well-marked and one subordinate, in the Upper Devonian rocks, each of which contained several species that are common in the typical Hamilton formation of the Cayuga Lake section and are associated with very few of the really characteristic species of the faunas normal to the formations in which they are found.
Date: 1913
Creator: Williams, Henry Shaler

Black Damp in Mines

Description: From Introduction: "This report presents the results of one phase of this study and shows how atmospheric air, after entering a coal mine, loses oxygen and gains carbon dioxide with resulting formation of so-called black damp."
Date: 1916
Creator: Burrell, G. A.; Robertson, I. W. & Oberfell, G. G.

Melting Brass in a Rocking Electric Furnace

Description: From Object of Report: "The object of this paper is to set forth in detail the possibilities and limitations of a rocking electric brass furnace. The general problem of electric brass furnaces is discussed and various types of furnaces are compared only so far as is necessary for the purpose of this report."
Date: 1918
Creator: Gillett, H. W. & Rhoads, A. E.

Metallurgical Smoke

Description: From Introduction: "This bulletin is published by the bureau primarily for persons who seek information on the subject of metal-lurgical smoke but are unacquainted with the technical language of metallurgy. The effort is made in this paper to present the problem of metallurgical smoke as it actually exists, without bias of any kind."
Date: 1915
Creator: Fulton, Charles H.

Occurrence of Explosive Gases in Coal Mines

Description: From Introduction: "This report presents the results of an investigation begun by the Government in the summer of 1907, the investigation being started under the immediate supervision of Dr. J. A Holmes and continued under him as director after it was transferred to the Bureau of Mines in 1910, the field studies being completed in the spring of 1912. The purpose of the investigation was to obtain information on the origin of the inflammable gases in coal and the conditions under which they occur."
Date: 1915
Creator: Darton, N. H.

Molybdenum; Its Ores and their Concentration with a Discussion of Markets, Prices, and Uses

Description: From Scope and Purpose of Investigation: "The direct purpose of the bulletin is, on the one hand, to prove to possible consumers of molybdenum that the element is not as rare as commonly supposed, and that this country possesses many deposits of low-grade ore from which large supplies may be derived, and on the other hand, to prove to present and prospective producers of molybdenum that there is a latent market for their product in the alloy-steel trade, which needs only the assurance of steady supplies for a considerable development."
Date: 1916
Creator: Horton, Frederick W.

Measuring the Temperature of Gases in Boiler Settings

Description: Scope of Report: "The bulletin presents the results of a series of measurements of the temperatures of gases in the most common types of boilers, discusses the errors occurring in the usual methods of measurement, and gives directions for making and using inexpensive thermocouples to determine flue-gas temperatures."
Date: 1918
Creator: Kreisinger, Henry & Barkley, J. F.

Methods for Increasing the Recovery from Oil Sands

Description: From Introduction: "In this publication are considered the principles involved in increasing recovery and methods of extracting more oil from the oil-bearing formations than by usual ways of producing. These methods are: The use of gas or vacuum pumps. forcing compressed air or gas through the oil-bearing formations, displacing the oil by water, and better utilization of the natural pressures in the oil-bearing formations."
Date: 1917
Creator: Lewis, J. O.

Manufacture and Uses of Alloy Steels

Description: From Introduction: "The object of this report is to give briefly information of present value relating to the manufacture and uses of the various commercial alloy steels, with the hope of stimulating the demand for such steels and extending their practical use."
Date: 1916
Creator: Hibbard, Henry D.

Innovations in the Metallurgy of Lead

Description: From Introduction: "The data reported in this bulletin are largely the result of experiments conducted by the Salt Lake City station of the Bureau of Mines in cooperation with the department of metallurgical research of the University of Utah. The work on the lead is the only one of the phases of the investigations carried on at that station during the years 1914 to 1916."
Date: 1918
Creator: Lyon, Dorsey A. & Ralston, Oliver C.

Commercial Deductions from Comparisons of Gasoline and Alcohol Tests on Internal-Combustion Engines

Description: From Introduction: "The following report is a summary of the commercial results which were obtained from 2,000 tests conducted by technologic branch of the United States Geological Survey at St. Louis, Mo., and Norfolk, Va., in 1907 and 1908, under the technical supervision of R.H. Fernald, engineer in charge of the producer-gas section."
Date: 1911
Creator: Strong, Robert M.

Notes on Mineral Wastes

Description: From Introduction Need of Preventing Mineral Waste: "The purpose of the Bureau of Mines in publishing this report is to call attention to some of the present waste, in the hope that knowledge of the facts may lead to an increased desire to eradicate the wastes, and to greater interest in careful, practical and scientific investigations, through which only can they be overcome."
Date: 1912
Creator: Parsons, Charles L.

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.

Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910 Part 2. Descriptions of Samples

Description: From Introduction: "This volume contains the descriptions of the samples whose analyses are published in the preceding volume, Part I of this bulletin. The descriptions have been compiled from the notebooks of the persons who collected the samples, have been condensed from accounts given in published reports of the United States Geological Survey, or have furnished by the collection themselves. Inasmuch as the descriptions represent the work of many persons during a period of six years, and inasmuch as they were recorded under widely differing conditions, they necessarily vary in fullness detail."
Date: 1913
Creator: Lord, N. W.

Gasoline Mine Locomotives in Relation to Safety and Health

Description: From Introduction: "The investigation described in this bulletin was undertaken by the Bureau of Mines in an endeavor to obtain exact information on some of the basal questions involved in the use of gasoline locomotives in mines, this investigation being one of many that the bureau has been conducting in its efforts to increase safety and efficiency in mining."
Date: 1915
Creator: Hood, O. P. & Kudlich, R. H.

Annual report of the National Advisory Committee for Aeronautics (2nd) together with the message of the President of the United States transmitting the report for the fiscal year ending June 30, 1916. administrative report including technical report

Description: Report includes the National Advisory Committee for Aeronautics letter of submittal to the President, Congressional report, summaries of the committee's activities and research accomplished, expenditures, problems, recommendations and a compilation of technical reports produced.
Date: 1917