TY - RPRT TI - Calibrated simulation of the long-term average surficial groundwater system and derived spatial distributions of its characteristics for the contiguous United States AU - Wesley O. Zell AU - Ward E. Sanford PY - 2020 DO - 10.1029/2019wr026724 UR - https://pubs.usgs.gov/publication/70255612 ID - 70255612 ER -