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Keywords: Bulletin 429 Plate XVI B Annona Chalk Brownstown Marl.jpg Annona Chalk overlying Brownstown Marl at White Cliff Howard County Ark 1910 Oil and Gas in Louisiana with a Brief Summary of their Occurrence in Adjacent States Bulletin 429 United States Geological Survey Government Printing Office Washington 1910 G D Harris other versions PD-USGov Cliffs of Arkansas Oil Annona Chalk Geologic formations in Arkansas |