TY - RPRT TI - A preliminary assessment of sources of nitrate in springwaters, Suwannee River basin, Florida AU - B. G. Katz AU - H.D. Hornsby PY - 1998 DO - 10.3133/ofr9869 UR - https://pubs.usgs.gov/publication/ofr9869 ID - ofr9869 ER -