TY - RPRT TI - Simulation of groundwater flow in the Silurian aquifer, eastern Iowa, 2020–45 AU - Emilia L. Bristow AU - John M. Gannon AU - Andrew M. Williams PY - 2026 DO - 10.3133/sir20265020 UR - https://pubs.usgs.gov/publication/sir20265020 ID - sir20265020 ER -