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Placer-Mining Methods and Costs in Alaska

Description: From Scope of Bulletin: "This bulletin gives the results of a study of present conditions in Alaska placer mining, including the methods employed and the costs, and will be helpful to placer miners, engineers, and all others interested in the industry."
Date: 1927
Creator: Wimmler, Norman L.
Item Type: Refine your search to only Report
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Notes on the Geology of Upper Nizina River Alaska

Description: Introduction: It is not intended to give here a full account of the geology of the district but rather to present certain new features that were observed during the season, with enough of the general geology, which is already well known and fully described in other publications, to make them understandable.
Date: 1928
Creator: Moffit, Fred H.
Item Type: Refine your search to only Report
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