Hydrologic map, leaflet (printed work; isoline map; gel-lithograph, color); 11 x 16 15/16 inches.1938-01-01unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_047_5_0000_1_0007Item is the Pick-Sloan map with a superimposed isoline map of Kansas City's rainfall amounts during July 4th. The Sloan-Pick map features reservoirs, dam sites, power plants, power penstocks, and operating power plants.