TY - RPRT TI - Compilation and evaluation of data used to identify groundwater sources under the direct influence of surface water in Pennsylvania AU - Eliza L. Gross AU - Matthew D. Conlon AU - Dennis W. Risser AU - Chad E. Reisch PY - 2022 DO - 10.3133/ofr20221023 UR - https://pubs.usgs.gov/publication/ofr20221023 ID - ofr20221023 ER -