Lakes in Rogers County, Oklahoma      Big Flag Lake Big Lake Canyon Lake Chelsea Reservoir Chelsea Reservoir Number 1 Chelsea Reservoir Number 2 Claremore Lake Collinsville Lake Happy Lake Horseshoe Lake Inola Lake Lake Claremore Little Flag Lake O L Fisher Pond Oologah Lake P S O Lake Petersons Lake Pryor Creek Number 15 Reservoir Pryor Creek Number 20 Reservoir Pryor Creek Watershed Site 19 Reservoir Pryor Creek Watershed Site 24 Reservoir Pryor Creek Watershed Site 27 Reservoir Pryor Creek Watershed Site 30 Reservoir Silver Lake Wagoner Lake Yonkipin Lake        ...derful place. Seems there were a lot of Frisco picnic's there.Thank you very much.P.S. I know this is too long to use, ... OTHER COUNTIES NEARBY Chautauqua County Cherokee County Elk County Labette County Montgomery County Neosho County Cherokee County Craig County Creek County Delaware County Mayes County Nowata County Osage County Ottawa County Tulsa County Wagoner County Washington County Oklahoma Lakes   Yonkipin Lake        ...co Railroad picnic that was taken at Yonkipin in the early 20's. My grandfather, Dennis Wortman was a Frisco Engineer.I have searched many years, off and on for Yonkipin (all the old folks are gone now)so I had nothing ...