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INSTRUMENTATION STUDIES OF EARTH TREMORS RELATED TO GEOLOGY AND TO MINING AT THE SOMERSET COAL MINE, COLORADO: GEOLOGICAL SURVEY PROFESSIONAL PAPER 762
Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1972. Soft cover. Item #47133
The relation of bedrock and surficial geology, coal mining, and nuclear explosion to tremors in part of Grand Mesa coal fields, Colorado. 27 pages with maps, seismic graphs, and references. Bound in original stiff gray paper printed in black. Library receiving stamp on the front cover. No other stamps, markings, pockets or plates were ever present. A near fine copy.
Price: $20.00
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