BulletinU.S. Government Printing Office, 1910 - Geology |
Contents
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Common terms and phrases
aluminum tablet stamped andesite basalt beds bench mark biotite briquets bronze tablet stamped Bull Bullfrog calcite Canyon Carboniferous chiseled square copper corner of foundation country rock County crossroads culvert deposits Devonian dikes diorite fault feet east feet north feet south feet west feldspar figs fissure formation front of station Ganes Creek geology gold granodiorite groundmass gypsite gypsum HIGHWAY hills hornblende Humboldt Innoko intrusive iron bridge Jour Kuskokwim lavas leucite limestone lode miles east miles north miles south miles southwest miles west mill minerals mines Montgomery-Shoshone Mountain Nevada northeast northwest corner occur Ordovician Original Bullfrog orthoclase outcrop oxidized Peak pegmatite phenocrysts places plagioclase porphyry pyrite QUADRANGLE quartz quartzite Railroad Range rhyolite River road sandstone schist schoolhouse shaft shale Silurian silver slope southeast corner stone surface Survey Tertiary THENCE thickness top of rail tunnel U. S. Geol Valley vein wall Yukon zone
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