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Flood-Prevention Projects at Pennsylvania Anthracite Mines: A Preliminary Study
Report issued by the Bureau of Mines over flood-prevention methods at Pennsylvania anthracite mines. The flood-prevention projects are discussed. This report includes tables, maps, photographs, and illustrations.
Date:
March 1946
Creator:
Ash, S. H. & Westfield, James
System:
The UNT Digital Library
Sand Available for Filling Mine Workings in the Northern Anthracite Basin of Pennsylvania
From Introduction: "This report is issued by the Bureau of Mines in the interest of safer and efficient mining methods. Its purpose is to describe the sand deposits in the northern anthracite coal field in Luzerne and Lackawanna Counties, Pa."
Date:
1913
Creator:
Darton, N. H.
System:
The UNT Digital Library