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1
Tungsten deposits of Boulder County, Colo.
Published 1940“…Boulder County (Colo.)…”
Full Text (via ProQuest)
Government Document eBook -
2
Nickel deposit near Gold Hill, Boulder County, Colo.
Published 1942“…Boulder County (Colo.)…”
Full Text (via ProQuest)
Government Document eBook -
3
Nickel deposit near Gold Hill, Boulder County, Colo.
Published 1942“…Boulder County (Colo.)…”
Full Text (via ProQuest)
Government Document eBook -
4
Tungsten deposits of Boulder County, Colo.
Published 1940“…Boulder County (Colo.)…”
Full Text (via ProQuest)
Government Document eBook -
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Geology and ore deposits of the Boulder County tungsten district, Colorado /
Published 1953“…Boulder County (Colo.) http://id.loc.gov/authorities/names/n79117909.…”
Government Document Book -
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The Boulder Creek batholith, Front Range, Colorado /
Published 1979“…Boulder County (Colo.) http://id.loc.gov/authorities/names/n79117909.…”
Connect to online resource (will need to download plug-in)
Government Document Book -
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Geologic map of the Beaver Creek area, [Boulder County] Colorado /
Published 1930“…Boulder County (Colo.) Maps.…”
Map -
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