Map Showing Isohyetals for Storm of May 17, 1949 and Locations of Discharge Determinations1949-01-01unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_031_14_0000_8_227The document represents a map item is a weather (isohyetal) map of the Washita River Sub-Basin in Oklahoma, which depicts the amount of rainfall as well as the locations of peak flow from the May 17, 1947 storm. Weather map (hydrologic map); 21 1/16 x 33 5/16; Plate 3.