USGS Analyzes 1978 Powder River Flood Deposits
April 22, 2026
April 22, 2026
WASHINGTON, April 22 (TNSLrpt) -- The U.S. Department of the Interior U.S. Geological Survey released 'Thickness and Other Characteristics of Overbank Sediment Deposited During an Extreme Flood in May 1978 Along the Powder River, Montana,' by John A. Moody and Robert H. Meade, as Scientific Investigations Report 20265122. Covering a <1% recurrence interval event between Moorhead and Broadus gages (779 and 711 m(3)/s peaks), it details 1978 post-flood surveys at 900 sites across 20 v . . .
