TY  - RPRT
TI  - Evaluation of nitrate sources using nitrogen-isotope techniques in shallow ground water within selected lake basins in the Central Lakes District, Polk and Highlands Counties, Florida
AU  - A. B. Tihansky
AU  - L. A. Sacks
PY  - 1997
DO  - 10.3133/wri974207
UR  - https://pubs.usgs.gov/publication/wri974207
ID  - wri974207
ER  -