Add to ORKGReport issued by the Bureau of Mines discussing the anthracite coal fields of Pennsylvania. History, geology, and mining methods of the anthracite fields are presented. This report includes tables, illustrations, and maps
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Greene County, P...
Report issued by the U.S. Bureau of Mines discussing investigations of the research and technologic ...
Report issued by the U.S. Bureau of Mines regarding a buried valley area (a deposit of clay, sand, a...
Report issued by the Bureau of Mines over studies conducted on thin coal beds of the anthracite regi...
Report issued by the Bureau of Mines on the anthracite coal in the Bottom Red Ash Bed in Pennsylvani...
Appendices: A. Mine laws.--B. A glossary of mining terms.--C. Production and distribution of anthrac...
Report issued by the U.S. Bureau of Mines discussing the microfilming of abandoned anthracite mine m...
Technical paper issued by the Bureau of Mines over studies of West Virginia coal fields. Characteris...
Report issued by the U.S. Bureau of Mines on the study of pumping at anthracite mines in Pennsylvani...
A report about a reconnaissance of coal and associated rock made in the anthracite fields of eastern...
Report issued by the Bureau of Mines discussing a program for microfilming maps of abandoned mines i...
Report issued by the Bureau of Mines discussing analyses of the Eastern and Western coal fields in K...
Report issued by the Bureau of Mines discussing water pools that accumulate in Pennsylvania anthraci...
Technical paper issued by the Bureau of Mines over analyses of coals from many western states. The c...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Washington Count...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Greene County, P...
Report issued by the U.S. Bureau of Mines discussing investigations of the research and technologic ...
Report issued by the U.S. Bureau of Mines regarding a buried valley area (a deposit of clay, sand, a...
Report issued by the Bureau of Mines over studies conducted on thin coal beds of the anthracite regi...
Report issued by the Bureau of Mines on the anthracite coal in the Bottom Red Ash Bed in Pennsylvani...
Appendices: A. Mine laws.--B. A glossary of mining terms.--C. Production and distribution of anthrac...
Report issued by the U.S. Bureau of Mines discussing the microfilming of abandoned anthracite mine m...
Technical paper issued by the Bureau of Mines over studies of West Virginia coal fields. Characteris...
Report issued by the U.S. Bureau of Mines on the study of pumping at anthracite mines in Pennsylvani...
A report about a reconnaissance of coal and associated rock made in the anthracite fields of eastern...
Report issued by the Bureau of Mines discussing a program for microfilming maps of abandoned mines i...
Report issued by the Bureau of Mines discussing analyses of the Eastern and Western coal fields in K...
Report issued by the Bureau of Mines discussing water pools that accumulate in Pennsylvania anthraci...
Technical paper issued by the Bureau of Mines over analyses of coals from many western states. The c...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Washington Count...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Greene County, P...
Report issued by the U.S. Bureau of Mines discussing investigations of the research and technologic ...
Report issued by the U.S. Bureau of Mines regarding a buried valley area (a deposit of clay, sand, a...