North Canadian River Investigations, New Mexico-Oklahoma-Texas, Basin Map1942-01-22unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_031_14_0000_7_207The document represents a map item is a hydrologic map of the North Canadian River Basin and features symbols and shading of U.S. Army Engineer investigations, U.S. Bureau of Reclamation investigations, and water uses. Hydrologic map (regional); 10 1/2 x 34 1/8 inches; 280-D-5; Shading (blue, green, red pencil).