TY - RPRT TI - Discovery of a large subsoil nitrate reservoir in an arroyo floodplain and associated aquifer contamination AU - Benjamin Shawn Linhoff AU - John Joseph Lunzer PY - 2021 DO - 10.1130/g47916.1 UR - https://pubs.usgs.gov/publication/70220237 ID - 70220237 ER -