TY - RPRT TI - Methods for peak-flow frequency analysis for streamgages in or near Montana, North Dakota, South Dakota, and Wyoming AU - Seth A. Siefken AU - Tara Williams-Sether AU - Nancy A. Barth AU - Katherine J. Chase AU - Mark A. Cedar Face PY - 2025 DO - 10.3133/sir20255019 UR - https://pubs.usgs.gov/publication/sir20255019 ID - sir20255019 ER -