Photomicrograph of high-grade gold ore from shaft ore shoot, 1,100-foot level, Slide mine. Boulder County, Colorado. circa 1932.
Dates
Date Taken
1932
Summary
Photomicrograph of high-grade gold ore from shaft ore shoot, 1,100-foot level, Slide mine, showing native gold (g) associated with roscoelite (r) and quartz (q). Boulder County, Colorado. Notes: Publushed as figure LXXIV-C in U.S.Geological Survey. Professional Paper 223. 1950.
Summary
Photomicrograph of high-grade gold ore from shaft ore shoot, 1,100-foot level, Slide mine, showing native gold (g) associated with roscoelite (r) and quartz (q). Boulder County, Colorado.
Notes: Publushed as figure LXXIV-C in U.S.Geological Survey. Professional Paper 223. 1950.
Available in the U.S. Geological Survey Denver Library Photographic Collection, Lovering, T.S.
Rights
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