TY - RPRT TI - Hydrogeologic framework and conceptual groundwater-flow model of the panhandle and northwest parts of the High Plains (Ogallala) aquifer in Oklahoma, 1998–2022 AU - Amy S. Morris AU - Colin A. Baciocco AU - Isaac A. Dale AU - Chloe Codner AU - Ethan A. Kirby AU - Grant M. Graves AU - Derrick L. Wagner AU - Eric G. Fiorentino AU - Alan LePera AU - Jon E. Sanford AU - Lara Joy PY - 2026 DO - 10.3133/sir20265009 UR - https://pubs.usgs.gov/publication/sir20265009 ID - sir20265009 ER -