Map of Deep Fork Drainage District No. One, Lincoln County, Oklahoma1913-12-31unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_007_9_2_1_13This map, titled Map of Deep Fork Drainage District No. One, Lincoln County, Oklahoma, is printed in blue ink on white paper and depicts the main relief ditch along with tributary diversion ditches, with Homer J. Wilkins as the Engineer in charge. Dimensions: 81 x 31.