The Central System as Proposed in the Southwestern Area Local Service Case1951-01-01unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_038_14_0000_5_168The document, identified as Docket No. 10758 et al., features a regional airline map measuring 12 15/16 by 8 1/2 inches.