TY - RPRT TI - Estimated discharge and chemical-constituent loading from the upper Floridan aquifer to the lower St. Johns River, northeastern Florida, 1990-91 AU - R. M. Spechler PY - 1995 DO - 10.3133/wri944132 UR - https://pubs.usgs.gov/publication/wri944132 ID - wri944132 ER -