1.
Opportunities in Geology and Geological Engineering - Alfred K. Snelgrove - Paperback
by Snelgrove, Alfred K.
ISBN: 9780844264745
List Price: $1.25
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Strategic Minerals Investigations in Marquette and Baraga Counties, 1943. (Prepared in Coope...
by Snelgrove, Alfred K.
ISBN: 9780598970763
List Price: $30.00