Vetenskap & teknik
Pocket
Gold Placers and Their Geologic Environment in Northwestern Park County, Colorado
Quenten D Singewald
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Gold Placers and Their Geologic Environment in Northwestern Park County, Colorado was originally published in 1950 as USGS bulletin 955-D. Publication covers placers and where they derived from in Park county Colorado, a rich placer area once mined by river dredges. Now back in print by miningbooks.com
- Format: Pocket/Paperback
- ISBN: 9780984369836
- Språk: Engelska
- Antal sidor: 84
- Utgivningsdatum: 2010-12-07
- Förlag: Sylvanite, Inc