TY - RPRT TI - Assessment of existing groundwater quality data in the Green-Duwamish watershed, Washington AU - Craig A. Senter AU - Kathleen E. Conn AU - Robert W. Black AU - Wendy B. Welch AU - Elisabeth T. Fasser PY - 2020 DO - 10.3133/ofr20191131 UR - https://pubs.usgs.gov/publication/ofr20191131 ID - ofr20191131 ER -