The Dawley Canyon pegmatite area, Ruby Mountains, Elko County, Nevada
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Open-File Report↗
Geology topics
J. C. Olson
Publications and source records attributed to J. C. Olson.
Map of the Mitchell Creek mine, Upson County, Georgia
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Open-File Report↗
Mill Race mica mine, Avery County, North Carolina
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North Carolina↗
The Judge Ferguson mica mine, Jackson County, North Carolina
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Open-File Report↗
Deer Park mica-feldspar mines, Mitchell County, North Carolina
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Open-File Report↗
Muscovite in the Spruce Pine district, North Carolina
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Bulletin↗
Mica-bearing pegmatites of the Spruce Pine district, North Carolina
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Open-File Report↗
Mica-bearing pegmatites of New Hampshire
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Open-File Report↗
Muscovite in the Spruce Pine district, North Carolina
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Open-File Report↗
Map of the Big Ridge mica mine, Haywood County, North Carolina
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Open-File Report↗
Mica-bearing pegmatites of New Hampshire
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Open-File Report↗