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Start Over Partner UNT Libraries Government Documents Department Serial/Series Title Technical paper (United States. Bureau of Mines) Month December

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Graphic Studies of Ultimate Analyses of Coals (open access)

Graphic Studies of Ultimate Analyses of Coals

Technical paper issued by the Bureau of Mines over studies of analyses of coals. The results are discussed and presented on various diagrams. This paper includes tables, and illustrations.
Date: December 1915
Creator: Ralston, Oliver C. & Porter, Horace C.
System: The UNT Digital Library
Quarry Accidents in the United States During the Calendar Year 1915 (open access)

Quarry Accidents in the United States During the Calendar Year 1915

Technical paper issued by the Bureau of Mines over the quarry accidents during the year of 1915 in the U.S. The locations and types of quarry accidents are presented. This paper includes tables.
Date: December 1916
Creator: Fay, Albert H.
System: The UNT Digital Library