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Estimate of Known Recoverable Reserves of Coking Coal in Greene County, Pennsylvania
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Greene County, Pennsylvania. Methods used, and measurements of coal reserves are listed. This report includes tables, and maps.
Date:
August 1955
Creator:
Wallace, Joseph J.; Dowd, James J.; Provost, John M.; Abernethy, R. F. & Reynolds, D. A.
System:
The UNT Digital Library
Estimate of Known Recoverable Reserves of Coking Coal in Grundy County, Tennessee
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Grundy County, Tennessee. Methods used, and measurements of coal reserves are listed. This report includes tables, and maps.
Date:
August 1955
Creator:
Hershey, Robert E.; Williams, Lloyd & Gandrud, B. W.
System:
The UNT Digital Library
Ringelmann Smoke Chart (Revision of I.C. 6888)
Revised report discussing the Ringelmann Smoke Chart, describing the history and background of the chart, its use, and how to read it.
Date:
August 1955
Creator:
Burdick, L. R. & Kudlich, Rudolph
System:
The UNT Digital Library