TY - RPRT TI - Results of nitrate sampling in the Torrington, Wyoming, Wellhead Protection Area, 1994-98 AU - C. A. Eddy-Miller AU - Gary Gerhard PY - 1999 DO - 10.3133/wri994164 UR - https://pubs.usgs.gov/publication/wri994164 ID - wri994164 ER -