Procedures for estimating unit hydrographs for large floods at ungaged sites in Montana /
by Stephen R. Holnbeck and Charles Parrett
- Washington, D.C. : United States Government Printing Office, U.S. Geological Survey, 1996
- v, 60 p. : ill., maps ; 28 cm.
- U.S. Geological Survey water-supply paper ; no.2420 .
"Prepared in cooperation with the Montana Department of Natural Resources and Conservation."