1. Ground-water resources of St. Johns County, Florida Author/Creator: Spechler, R. M., author Publication/Creation: Tallahassee, Florida : U.S. Geological Survey, 1984 Resource Type: Book Access & Availability: Loading
2. Drainage basins in St. Johns County, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
3. Altitude and generalized configuration of the top of the Floridan aquifer, St. Johns County, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tallahassee, Florida : Department of the Interior, United States Geological Survey, 1984 Resource Type: Map Access & Availability: Loading