CowboyStan:
Duncan - Welcome Sign
CowboyStan:
Duncan -- Map
CowboyStan:
Duncan -- History
CowboyStan:
Duncan, OK -- Indian Base Line
CowboyStan:
Duncan
CowboyStan:
Duncan
CowboyStan:
Duncan
CowboyStan:
Duncan
CowboyStan:
Duncan
CowboyStan:
Duncan
CowboyStan:
Duncan
CowboyStan:
Duncan -- Erle P. Halliburton
CowboyStan:
Duncan -- Erle P. Halliburton
CowboyStan:
Duncan -- Halliburton
CowboyStan:
Duncan - Halliburton Oil Well Cementing Co.
CowboyStan:
Duncan -- Earl Halliburton
CowboyStan:
Duncan - Erle Halliburton
CowboyStan:
Duncan -- Erle Halliburton
CowboyStan:
Duncan - Erle Halliburton
CowboyStan:
Duncan -- Kiwanis Kiddieland Park
CowboyStan:
Duncan
CowboyStan:
Duncan
CowboyStan:
Duncan
CowboyStan:
Duncan, Oklahoma
CowboyStan:
Duncan -- Save Engine 905
CowboyStan:
Duncan -- Rock Island Engine 905
CowboyStan:
Duncan -- Rock Island Engine 905
CowboyStan:
Duncan -- Train Depot
CowboyStan:
Duncan -- Restoration of the Duncan Railway Depot
CowboyStan:
Duncan -- Old Halliburton training rig
