TY - RPRT TI - Occurrence of pharmaceutical compounds in the San Antonio segment of the Edwards (Balcones fault zone) aquifer, south-central Texas, June 2018–August 2020 AU - Stephen P. Opsahl AU - MaryLynn Musgrove PY - 2023 DO - 10.3133/sir20235069 UR - https://pubs.usgs.gov/publication/sir20235069 ID - sir20235069 ER -