DGGS MR 195-5
Title:Placer-mining methods and costs in Alaska
Publisher:Alaska Territorial Department of Mines
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Keyword(s):Coal; Copper; Cultural Resources; Economic Study; Gold; Historic Resources; Mining; Mining Methods; Nuggets; Permafrost; Placer; Platinum; Production Data; Silver; Tin
Wimmler, N.L., 1925, Placer-mining methods and costs in Alaska: Alaska Territorial Department of Mines Miscellaneous Report 195-5, 564 p. http://doi.org/10.14509/994
- mr195_05.pdf (15.0 M)