Normal Annual Isohyetal Map, Arkansas-White-Red River Basins1951-04-01unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_031_14_0000_8_236The document represents a map item is a weather (isohyetal) map of the Arkansas-White-Red River Basins, which depicts the normal annual precipitation in inches from 1910 to 1949. Weather map (hydrologic map; color); 22 x 32 inches; FILE CHS 50426-2.