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The History of Gold Dredging in Montana
by United States Bureau of Mines; Jackson, Kerby
ISBN: 9781507631003
Copyright:
Paperback
Status of Mineral Resource Information for ...
by United States Bureau of Mines; United States Geological Survey
ISBN: 9781505422283
Operating Regulations to Govern Coal-Mining ...
by United States Bureau of Mines
ISBN: 9781154453980