TY - RPRT TI - Reconnaissance study of selected nutrients, pesticides, and trace elements in the Eel, Salinas, and Santa Ana Rivers, California, October 1971 through July 1972 AU - George A. Irwin AU - Michael Lemons PY - 1974 DO - 10.3133/wri7316 UR - https://pubs.usgs.gov/publication/wri7316 ID - wri7316 ER -