Bulletin, Issues 952-953U.S. Government Printing Office, 1947 - Geology |
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abstract Acad Aceitillar area Alaska Alaska Highway aluminous lateritic soil America Bull Anonymous anticline antimony Assoc auger holes Bahoruco basalt Basin bayate British Columbia Bucan Polo Calif clay coal County Creek Cret Cretaceous devel Devonian dist drilling Econ Eocene exploration fault fauna feet figs Foraminifera fossil gas field Geological Survey Geology gibbsite Haiti incl index map Inst iron isopach Jour Lake area lateritic soil limestone manganese deposit manganese oxides meters Mexico Mineralogist Mines Miocene Morne Macaque Mullerried North Northwest oil and gas oil field Oligocene Ontario Paleontology Paleozoic Pedernales pegmatites Pennsylvania percent Permian Petroleum Geologists Bull Pleist Pliocene porphyry poss Proc quad Quebec Rept River area samples savanna Sept shale Sierra de Bahoruco silica stratigraphy surface Survey Bull Tert Texas trail Trans Univ Upper Utah Valley William Yucunani