DGGS MR 50-2
Title:Placer mining methods and costs in the Circle District, Alaska
Publisher:Alaska Territorial Department of Mines
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Keyword(s):Base Metals; Cultural Resources; Economic Study; Gold; Mining; Placer; Silver; Sulfides
Matthews, R.T., 1941, Placer mining methods and costs in the Circle District, Alaska: Alaska Territorial Department of Mines Miscellaneous Report 50-2, 85 p. http://doi.org/10.14509/781
- mr050_02.pdf (1.8 M)