Duncan, Oklahoma
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Duncan is a city in and the county seat of Stephens County, Oklahoma, United States. Its population was 22,310 at the 2020 census. Centrally located in Stephens County, Duncan became the county seat a
The Chisholm Trail crossing through Duncan's U.S. 81
Crapemyrtle Capital of Oklahoma mural in downtown Duncan
Erle P. Halliburton's Memorial Statue in Memorial Park in Duncan, at night
U.S. Route 81 in Oklahoma
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U.S. Route 81 is a north–south U.S. highway running through the central United States' Great Plains region, from Fort Worth, Texas to the U.S.–Canadian border at Pembina, North Dakota. A 229.28-mile s
US 81 in Hennessey, Oklahoma
SSG Chris Hake Memorial Highway in Enid on US Highway 81
US 81, US 60, and US 64 Concurrency