Possible Clues:

• Take poteen bottles round Kansas City
• City whose name is Siouan for 'a good place to grow potatoes'
• Possibly take work in state capital
• Oregon Trail city
• Capital of 6
• Having accepted work, take off for a place in Kansas
• Capital north of Tulsa
• Big kahunas
• Evel Knievel Museum location
• Midwestern capital