The Legendary "White Metal" and its "Ore" (open access)

The Legendary "White Metal" and its "Ore"

Report concerning stories about claims of a "white metal" extracted from an "ore" found packed around pieces of iron or steel. It includes information about various tests conducted about the validity of these claims and their findings.
Date: December 1925
Creator: Davis, C. W.
System: The UNT Digital Library
Coal-Mine Fatalities in the United States, 1924 (open access)

Coal-Mine Fatalities in the United States, 1924

Report compiled by the U.S. Bureau of Mines including statistics on fatalities 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: 1925
Creator: Adams, William W.
System: The UNT Digital Library
Explosion Hazards From the Use of Pulverized Coal at Industrial Plants (open access)

Explosion Hazards From the Use of Pulverized Coal at Industrial Plants

From Introduction: "This bulletin, therefore, presents both bad and the good features of pulverized-coal plants and gives recommendations for safe installation and operation. Consequently, in the preparation of this bulletin much of the material on explosions in plants is based on the results of tests at the experimental mine and in the laboratory dust gallery."
Date: 1925
Creator: Tracy, L. D.
System: The UNT Digital Library
Garnet: Its Mining, Milling, and Utilization (open access)

Garnet: Its Mining, Milling, and Utilization

From Introduction: "This bulletin presents the results of an investigation conducted by the Bureau of Mines as part of its work for the increase of efficiency and the prevention of waste in the mineral industries."
Date: 1925
Creator: Myers, W. M. & Anderson, C. O.
System: The UNT Digital Library
Metal-Mine Accidents in the United States During the Calendar Year 1923 (open access)

Metal-Mine Accidents in the United States During the Calendar Year 1923

Report issued by the U.S. Bureau of Mines covering accidents that happened in metal mines located in the United States including statistics for injuries, fatalities, kinds and causes of accidents, and operational data, such as number of mine workers and shifts worked.
Date: 1925
Creator: Adams, William W.
System: The UNT Digital Library
The Metallurgy of Quicksilver (open access)

The Metallurgy of Quicksilver

From General Conclusions: "The main conclusions to be drawn from the work discussed in this bulletin may be summarized as follows: In the direct-furnace treatment of quicksilver ores the major problem in the extraction of quicksilver has been solved. Methods are available whereby low-grade ore can be treated with a remarkably high recovery and at low cost in view of small scale of operations at most plants."
Date: 1925
Creator: Duschak, L. H. & Schuette, C. N.
System: The UNT Digital Library
Mine Timber: Its Selection, Storage, Treatment, and Use (open access)

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

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.
System: The UNT Digital Library
Plastic Magnesia (open access)

Plastic Magnesia

Report issued by the Bureau of Mines over the production methods and uses of plastic magnesia. Methods, properties, and uses of plastic magnesia are discussed. This report includes tables, illustrations, and photographs.
Date: 1925
Creator: Ralston, Oliver C.; Pike, Robert D. & Duschak, Lionel H.
System: The UNT Digital Library
Protection of Oil and Gas Field Equipment Against Corrosion (open access)

Protection of Oil and Gas Field Equipment Against Corrosion

From Introduction: "This bulletin describes common causes and effects of oil and gas field corrosion and outlines methods of abating the damage."
Date: 1925
Creator: Mills, R. Van A.
System: The UNT Digital Library
Quarry Accidents in the United States During the Calendar Year 1923 (open access)

Quarry Accidents in the United States During the Calendar Year 1923

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: 1925
Creator: Adams, William W.
System: The UNT Digital Library
Review of Safety and Health Conditions in the Mines at Butte (open access)

Review of Safety and Health Conditions in the Mines at Butte

From Introduction: "This review of safety and health conditions in the mines of Butte, Mont., is prepared from data gathered during the period 1916 to 1924, inclusive, chiefly by Daniel Harrington, who was until recently supervising mining engineer of the Bureau of Mines."
Date: 1925
Creator: Rice, G. S. & Sayers, R. R.
System: The UNT Digital Library
Screen Sizing of Coal, Ores and Other Minerals (open access)

Screen Sizing of Coal, Ores and Other Minerals

From Introduction: "The data in this bulletin were obtained during an investigation of screening practice by the University of Illinois engineering experiment station and the United States Bureau of Mines under a cooperative agreement between them and the State of Illinois Geographical Survey Division. The present investigation was limited to a study of screening as applied in preparing mineral products with the expectation of obtaining more comprehensive information on screening machinery."
Date: 1925
Creator: Holbrook, E. A. & Fraser, Thomas
System: The UNT Digital Library
Sources of Limestone, Gypsum, and Anhydrite for Dusting Coal Mines to Prevent Explosions (open access)

Sources of Limestone, Gypsum, and Anhydrite for Dusting Coal Mines to Prevent Explosions

From Preface: "The writer began testing the rock-dusting method for the Bureau of Mines at the Pittsburgh gallery in 1909, and later continued such testing in the bureau's experimental mine, with favorable results. Beginning in 1911 the bureau issued reports recommending rock dusting as alternative to watering."
Date: 1925
Creator: Bowles, Oliver
System: The UNT Digital Library
Surface Machinery and Methods for Oil-Well Pumping (open access)

Surface Machinery and Methods for Oil-Well Pumping

From Introduction General Scope: "This bulletin deals with prime movers, power-transmitting machinery, and the surface equipment and methods used to pump oil wells."
Date: 1925
Creator: George, H. C.
System: The UNT Digital Library
Tests of a Large Boiler Fired with Powdered Coal at the Lakeside Station, Milwaukee (open access)

Tests of a Large Boiler Fired with Powdered Coal at the Lakeside Station, Milwaukee

From Introduction: "This report gives the results of 26 tests of a four-pass Edgemoor boiler fired with powdered coal at the Lakeside station of the Milwaukee Electric Railway & Light Co.
Date: 1925
Creator: Kreisinger, Henry; Blizard, John; Augustine, C. E. & Cross, B. J.
System: The UNT Digital Library
The Treatment of Manganese-Silver Ores (open access)

The Treatment of Manganese-Silver Ores

Report presenting studies regarding the treatment of manganese-silver ores.
Date: 1925
Creator: Clevenger, Galen H. & Caron, Martinus H.
System: The UNT Digital Library