"Preliminary 1950 Census Figures for each County in the State of Oklahoma"1950-01-01unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_001_9_0000_3_73The document is an outline map of the state of Oklahoma, illustrating preliminary census figures from 1950 for each county. The map includes data such as population and employment numbers for each county, providing a comprehensive view of the state's demographics during that period.