Potentiometric surface map of the Floridan Aquifer in the St. Johns River water management district and vicinity, Florida, May 1978
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Geology topics
F.A. Watkins
Publications and source records attributed to F.A. Watkins.
Ground-water appraisal of the Big Walnut Creek basin above Little Walnut Creek and Big Walnut Creek reservoir site, Indiana
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Ground-water appraisal of the Clifty Creek basin on Clifty Creek reservoir site, Indiana
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