1997 flood tracking chart for the Sheyenne River Basin [microform] / prepared by Gregg J. Wiche ... [et al.] of the U.S. Geological Survey ; in cooperation with the U.S. Army Corps of Engineers, the North Dakota State Water Commission, and the Cass County Joint Water Resource District (U.S. Geological Survey open-file report ; 97-177)
1997 flood tracking chart for the Sheyenne River Basin [microform] / prepared by Gregg J. Wiche ... [et al.] of the U.S. Geological Survey ; in cooperation with the U.S. Army Corps of Engineers, the North Dakota State Water Commission, and the Cass County Joint Water Resource District