TY - RPRT TI - Status and understanding of groundwater quality in the Redding–Red Bluff shallow aquifer study unit, 2019—California GAMA priority basin project AU - Jennifer S. Harkness PY - 2023 DO - 10.3133/sir20225127 UR - https://pubs.usgs.gov/publication/sir20225127 ID - sir20225127 ER -