Waurika is the only county seat on the 98th Meridian in Oklahoma. Its townsite, on the west side of the line, was in the Kiowa-Comanche Reservation, which opened to settlement on Aug. 6, 1901. Moneka was the post office, established in 1895 on the east side of the line in Pickens Co., Chickasaw N. Waurika post office opened June 28, 1902.