TY - RPRT TI - Identification of nitrate sources contributing to ground water in the Indian Hills area of Douglas County, Nevada AU - J. M. Thomas AU - C. E. Thodal AU - R. L. Seiler PY - 1999 DO - 10.3133/wri994042 UR - https://pubs.usgs.gov/publication/wri994042 ID - wri994042 ER -