"1950 Census Data for Each County in the State of Oklahoma: A Preliminary Outline Map"1950-01-01unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_001_9_0000_3_74The document is an outline map of the state of Oklahoma, showing preliminary 1950 census figures for each county. It includes data such as population numbers for different counties, designated by different colors and numerical assignments. The data is organized into groups by county and population, with specific counties highlighted in different colors. The document appears to be a part of a larger project, as indicated by the reference Maps, F3, Item 74 from the Carl Albert Center.