TY - RPRT TI - Status and understanding of groundwater quality in the northern Sierra Nevada foothills domestic-supply aquifer study units, 2015–17—California GAMA Priority Basin Project AU - Zeno F. Levy AU - Miranda S. Fram PY - 2021 DO - 10.3133/sir20215019 UR - https://pubs.usgs.gov/publication/sir20215019 ID - sir20215019 ER -