Investigations of the Preparation and Use of Lignite, 1918-1925 (open access)

Investigations of the Preparation and Use of Lignite, 1918-1925

Report issued by the Bureau of Mines over investigations conducted on lignite. Preparation methods and uses of lignite are discussed. This report includes tables, maps, illustrations, and photographs.
Date: 1926
Creator: Hood, O. P. & Odell, William Wallace
System: The UNT Digital Library
Investigations of the Preparation and Use of Lignite, 1918-1925 (open access)

Investigations of the Preparation and Use of Lignite, 1918-1925

Report issued by the Bureau of Mines over investigations conducted on lignite. Preparation methods and uses of lignite are discussed. This report includes tables, maps, illustrations, and photographs.
Date: 1926
Creator: Hood, O. P. & Odell, William Wallace
System: The UNT Digital Library
Production and Briquetting of Carbonized Lignite (open access)

Production and Briquetting of Carbonized Lignite

From Introduction: "The Bureau of Mines since its establishment has always taken an active interest in the utilization of lignite and in the development of the lignite deposits of the United States. Extensive lignite fields occur in the west central States, notably in North Dakota, Montana, Wyoming, Colorado, and Texas; there are smaller areas in several other Sates, some of which are widely separated."
Date: 1923
Creator: Babcock, E. J. & Odell, W. W.
System: The UNT Digital Library
Coal-Washing Investigations: Methods and Tests (open access)

Coal-Washing Investigations: Methods and Tests

From Introduction: "The investigations described in this bulletin are confined to a study of the washing characteristics of bituminous coals. The washing characteristics of coals from many of the most important coal-producing fields of the Eastern and Central States were examined."
Date: 1929
Creator: Yancey, H. F. & Fraser, Thomas
System: The UNT Digital Library
Salvage of Material in the Oil Industry (open access)

Salvage of Material in the Oil Industry

Technical paper issued by the Bureau of Mines over the salvage of necessary equipment for the oil industry. The types of materials that can be salvaged are presented and discussed. This paper includes photographs, and illustrations.
Date: 1929
Creator: Bowie, C. P.
System: The UNT Digital Library
Review of State Mine Inspector's Reports as They Relate to Accidents from Falls of Roof (open access)

Review of State Mine Inspector's Reports as They Relate to Accidents from Falls of Roof

Report issued by the U.S. Bureau of Mines over state mine inspection reports from 19 U.S. states. The information in the reports includes details of accidents, locations that specific accidents occurred, and proposed remedies for prevention of future accidents. This report includes tables.
Date: April 1929
Creator: Paul, James Washington
System: The UNT Digital Library
The Bowie-Gavin Process: Its Application to the Cracking of Tars and Heavy Oils, Also to the Recovery of Oil from Oil-Soaked Sands or Shales, or from Oil Shales (open access)

The Bowie-Gavin Process: Its Application to the Cracking of Tars and Heavy Oils, Also to the Recovery of Oil from Oil-Soaked Sands or Shales, or from Oil Shales

Technical paper issued by the Bureau of Mines over the Bowie-Gavin process. As stated in the introduction, "this paper describes a process and an apparatus designed to recover oil from such deposits" (p. 1). The results of experiments conducted using this process are discussed. This paper includes tables, illustrations, and photographs.
Date: 1926
Creator: Bowie, C. P.
System: The UNT Digital Library