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Feb 28, 1946
Report
… J.A. and Carr, J.L. (1946): Geology and coal occurrences of … Survey … REP 48 … Report 48 … Geology and coal occurrences of …
Dec 31, 2001
Information Series
… a long and remarkable history. Geology helps us see and study this … the river valley, river valley geology, valley resources, glacial geology and groundwater. … Edwards, …