Rocks & Minerals

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Conglomerate, Overhanging Cliff; Geology; RG Johnsson; 1964


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Travertine boulder on Beaver Ponds Trail; Geology; Photographer unknown; 1964


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Travertine blocks on the road at the Hoodoos; Geology; Photographer unknown; No date


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Quartz on lower slopes of Druid Peak; Geology; Jim Peaco; April 1990


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Quartz on lower slopes of Druid Peak; Geology; Jim Peaco; April 1990


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Conglomorate rock at Storm Point; Geology; Jim Peaco; August 1989


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Sedimentary clay at Storm Point; Geology; Jim Peaco; August 1989


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Devil's Slide, mesozoic sedimentary tilt; Geology; Jim Peaco; August 1989


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Obsidian; Geology; Photographer unknown; July 1973


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