TY - RPRT TI - Peak-flow frequency analysis for U.S. Geological Survey streamgages in northwestern Iowa, based on data through water year 2024 AU - Padraic S. O’Shea AU - Andrew M. Williams AU - Mackenzie K. Marti PY - 2026 DO - 10.3133/ofr20261031 UR - https://pubs.usgs.gov/publication/ofr20261031 ID - ofr20261031 ER -