Gold Placers and Their Geologic Environment in Northwestern Park County, Colorado

ISBN-13: 9780984369836 / Angielski / Miękka / 2010 / 84 str.

Quenten D. Singewald

Opis

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