The principal sources of large quantities of ground water in Perry County are sand and gravel aquifers in the Coker, Gordo, and Eutaw Formations of the Upper Cretaceous Series. Upper Cretaceous deposits, which dip to the southwest at about 35 feet per mile, range in thickness(d from about 400 feet in the northern part of the county to about 2, 300 feet in the southernmost part. Most wells tapping Upper Cretaceous deposits 1 range in depth from 20 to 950 feet; the deposits are potential sources 3 4
Ala-6-C Geology and water availability of Cullman County, No. PAGES (Incl. tablos) Alabama 72 5seck ono) NO. ILLUSTRATIONS iT1Final Rept. Progress Rept. I Abstract []Other 7 'IRE OP PUBLICATION (WISP . HA, ate.) TABLES ," Geoloaical Survey of Alabama Mp SQrie (op./. 7r-4437 N°'---3-14°' Pe151 43 Cs Itit ir P a I ATE STIP . 01 lir -No. . s.; '.1 • It I , DATE DATE TOPICS t.-itz . .0 . a SI 61111A1URE tart 111)VTIN4 "" at
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