1997 flood tracking chart for the Red River of the North basin [microform] / U.S. Department of the Interior, U.S. Geological Survey ; prepared by Gregg J. Wiche ... [et al.] of the U.S. Geological Survey ; in cooperation with the U.S. Army Corps of Engineers, ... [et al.] (U.S. Geological Survey open-file report ; 97-193)
1997 flood tracking chart for the Red River of the North basin [microform] / U.S. Department of the Interior, U.S. Geological Survey ; prepared by Gregg J. Wiche ... [et al.] of the U.S. Geological Survey ; in cooperation with the U.S. Army Corps of Engineers, ... [et al.]