TY - RPRT TI - Uranium-isotope variations in groundwaters of the Floridan aquifer and Boulder Zone of south Florida AU - J.B. Cowart AU - M. I. Kaufman AU - J.K. Osmond PY - 1978 DO - 10.1016/0022-1694(78)90045-8 UR - https://pubs.usgs.gov/publication/70012714 ID - 70012714 ER -