TY - RPRT TI - Characterization of the hydrology, water chemistry, and aquatic communities of selected springs in the St. Johns River Water Management District, Florida, 2004 AU - G. G. Phelps AU - Stephen J. Walsh AU - Robert M. Gerwig AU - William B. Tate PY - 2006 DO - 10.3133/ofr20061107 UR - https://pubs.usgs.gov/publication/ofr20061107 ID - ofr20061107 ER -