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Geologic Section Of Bradley, Calhoun, Ouachita, And Part Of Nevada Counties, Arkansas, Donald R. Albin

Journal of the Arkansas Academy of Science

A series of 23 test holes has been drilled across Bradley, Calhoun, Ouachita, and part of Nevada Counties in southcentral Arkansas to determine the geology of the shallow water-bearing deposits of Tertiary and Quaternary age . The correlation of the lithologic and electric logs of the test holes and available electric and drillers' logs of oil-test wells indicates that: (1) the transition zone in the upper part of the Midway group may be about 85 feet thick in Nevada and Ouachita Counties; (2) the contact between the Wilcox and Claiborne groups is about 12 miles northwest of the location shown …