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Temperature-Viscosity Relations in the Ternary System CaO-Al₂O₃-SiO₂
Technical paper issued by the Bureau of Mines over studies on the relations of temperature-viscosity. The "observations on the temperature-viscosity relations of silicates" (p. 5) are presented and discussed. This report includes tables, and illustrations.
Date:
April 1918
Creator:
Feild, Alexander L. & Royster, P. H.
System:
The UNT Digital Library
Suggestions for Improved Methods of Mining Coal on Indian Lands in Oklahoma
Technical paper issued by the Bureau of Mines over studies of Oklahoma coal mines. As stated in the introduction, "this report describes the systems of mining used, points out their defects, and presents suggestions for improved methods, more especially as regards the applicability of different modifications of the panel system to mining coal in Oklahoma" (p. 5). This paper includes tables, maps, and illustrations.
Date:
May 1918
Creator:
Rutledge, J. J. & Harrington, Daniel
System:
The UNT Digital Library
Notes on the Black Sand Deposits of Southern Oregon and Northern California
Technical paper issued by the Bureau of Mines over the black sands of Oregon and California. The history, and character of the deposits are presented. This paper includes tables, maps, photographs, and illustrations.
Date:
1918
Creator:
Hornor, R. R.
System:
The UNT Digital Library