Areas of Principal Ground-Water Investigation in the Arkansas, White, and Red River Basins1953-01-01unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_031_14_0000_8_246The document represents a map hydrologic Investigations Atlas HA 2 Hydrologic map (index map; color); 26 15/16 x 21 7/8 inches (folded); 26 15/16 x 43 3/4 inches (unfolded).