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Back Issues: July/August 1992

Rocks & Minerals (67:04)
July/August 1992

FEATURES

230 The Geology, Mineralogy, and History of Four Native Silver Localities in Colorado
    Ed Raines

256 The Green River Formation Fossil Quarries of Wyoming
    Richard D. Dayvault

262 Spotlight on Juniors: Weathering in a Cup
    Carol J. Stadum

DEPARTMENTS

221 Chips from the Quarry

225 Letters

228 Geo-Currents
    Jane M. Matty

265 Media Reviews
    Carl A. Francis, H. Gregory McDonald, Keith Williams

267 In Memoriam: William Shulman
    Mary L. Guinter

269 Museum Notes and Announcements

277 Coming Events

284 Classified Advertisements

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Visit Martin Zinn at the Gem, Mineral & Fossil Show.

Visit Martin Zinn at the Colorado Mineral & Fossil Show.