TY - RPRT TI - Geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers within Hays County, Texas AU - Allan K. Clark AU - Robert R. Morris AU - Alexis P. Lamberts PY - 2025 DO - 10.3133/sim3540 UR - https://pubs.usgs.gov/publication/sim3540 ID - sim3540 ER -