Redwine, J.C. Geochemical methods for distinguishing surface water from groundwater in the knox aquifer system - Berlin Springer-Verlag August 2002 - pp. 485-491 ilus. ISSN: 0943-0105 Subjects--Topical Terms: AGUAS SUBTERRANEASAGUAS SUPERFICIALESISOTOPOS ESTABLESKARST Subjects--Geographic Terms: ALABAMAESTADOS UNIDOS