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Paul Franklin Morse _
B The Stratigraphy of the Trinity Division as exhibited
a Subsidence in Gulf Coastal Plains
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Adkins ambulacra aperture arenaceous Austin chalk barrels basal beds Bell County Belton Big Lake Oil Black shale Blue shale Bose brown limestone Buda calcareous chambers chert clay Comanche Peak Comanchean containing county line Cretaceous Cushman and Waters Dark gray depth dolomite drilled Eagle Ford east Economic Geology Edwards elongate Eoradiolites escarpment Exogyra facies feet foraminifera forms fossils genus Geol Glen Rose gray limestone gray shale green shale Gryphea Gypsum holotype horizon Lake Oil Company Lampasas Lampasas River layers lime limestone Lithologic locality located Macraster Marathon Maravillas marl miles Montague County Ordovician outcrop Paleozoic Paluxy Parker County Pennsylvanian periproct Permian posterior production pseudoelegans quartz Red shale River Roemer rudistids salt samples sand sandstone sandy shale sediments shale _ shell sink species strata surface Surv texanus Texas Bull Texon thickness thin Travis Peak unconformity upper Walnut Washita zone