Oklahoma, Extension Service Area Agronomists1933-01-01unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_038_14_0000_1_22The map highlights three distinct shaded areas marked with Xs. The green area represents the O. H. Williams Court House in Cordell, Oklahoma. The red area denotes the N. B. Thomas Court House in Altus, Oklahoma. Meanwhile, the grey area signifies the R. W. Treadwell Federal Building in Duncan, Oklahoma. The map measures 8 1/2 by 11 inches and features these shaded regions.