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Publication Extents

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Asphalt deposits and oil conditions in southwestern Arkansas
Hugh D. Miser, Albert Homer Purdue
1919, Bulletin 691-J
Seven asphalt deposits, three of which are in Pike County and four in Sevier County, in southwestern Arkansas, were examined by the writers during the progress of the field work for the De Queen-Caddo Gap folio, which is now in preparation. These deposits are all found at or near the...
Gravel deposits of the Caddo Gap and De Queen quadrangles, Arkansas
Hugh D. Miser, Albert Homer Purdue
1919, Bulletin 690-B
Several thick deposits of gravel are widely distributed along the north edge of the Gulf Coastal Plain, of which a narrow belt is embraced in the southern parts of the Caddo Gap and De Queen quadrangles, Ark. This belt is shown on Plate I, and its location is shown on...