Scope and Contents From the Collection: Collection contains maps produced for a WPA research project no. 1605, Comparison of Assessed Value to Sales Value of Real Estate Sold in Oklahoma from 1930 to 1935, Inclusive. (Bull. 23), Div. Res. & Stat., Okla. Tax Comm., Oklahoma City, Mar. 1937, 20 p., mimeo. WPA 65-65-691. Maps showing land ownership by township and range for 77 counties of Oklahoma. Also shows railroads, rivers, some geological descriptions ie salt plains in Alfalfa County.