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Read before the Cordilleran Section April 13 1934
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Allegheny Allegheny Front amount anticline appear basalt beach beds bench Bergen Park boulders Bull Canyon fault caverns clay concretions conglomerate correlation County Creek Cretaceous deposits dolomite drainage east eastern elevation Eocene erosion Eryops evidence exposures fault blocks fault zone fauna feet folding formation forms Franciscan Geol Geological glacial glauconite gneiss grains granite gravels hilltops Hinckley horizon Huronian Keweenawan layers limestone locality lower miles Miocene Mount Diablo Mountain peneplain Mountain surface occur ostracodes outcrops Overland Mountain Palmer gneiss peneplane Peninsular Range Pennsylvania Permian Petaluma plateau Pliocene present probably quadrangle quartz quartzite redbeds region ridge River rocks Ross Shelf Ice sand sandstone scarp sea level sediments shale Shelf Ice side silt slope specimens strata stratigraphic streams structure Surv syncline Tertiary thickness tion tuff unconformity uplift upper valley vertebrate volcanics Wichita writer