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Channel width measurements from aerial photographs for selected streamgage sites in Montana

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 08:30 PM | Dataset Last Updated: April 24, 2026 at 12:00 AM
The WY-MT WSC conducted a study to develop regression equations for estimating peak-flow frequencies in Montana, using channel-width characteristics. Channel widths were measured from aerial photographs at 517 streamgage sites. Chase, K.J., Sando, Roy, Armstrong, D.W., McCarthy, P.M., Regional Regression Equations Based on Channel-Width Characteristics to Estimate Peak-Flow Frequencies at Ungaged Sites in Montana Using Peak-Flow Frequency Data through Water Year 2011, U.S. Geological Survey Scientific Investigations Report 2020-XXXX, XX pages, https://doi.org/x

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