"Data Report: Preliminary Mapping Service Section for August Across Various Locations"1946-1975unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_001_9_0000_4_97The document provides preliminary mapping service data for system boundaries within states including Oklahoma, Arkansas, Washington, Texas, and Collingsworth. The data, denoted by numerical codes, was compiled in August and is part of a project's initial stages.