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Mineral resources of Alaska, report on progress of investigations in 1917--Mining in the Fairbanks district
[report]
1919
unpublished
Preserved Fulltext
EXPLANATION SEDIMENTARY ROCKS Greenstones (mainly metamorphosed andesite flows and tuff's) Scale soo.ooo GEOLOGIC SKETCH MAP OF THE TOLSTOI DISTRICT.
doi:10.3133/b692f
fatcat:xkh4334o5ve6pjcflgjnuugct4