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Jun 09, 2014
Data
Dec 31, 1977
Open File Report
… Holter, M.E. and Chu, M. (1977): Geology and coal resources of … … Open File Report 1978-13 … Geology and Coal Resources of …
Dec 31, 1973
Earth Sciences Report
Dec 31, 1970
Earth Sciences Report
… aspects of the area: topography, geology, meteorology, groundwater …