When the developers of Oklahoma City's Bricktown were promoting the new entertainment district of the capitol city, they convinced state lawmakers to mandate that the North Canadian River, which serves as the major waterway through central Oklahoma, is to officially be identifies as "The Oklahoma River".
So if you're boating between Tinker Air Force Base and The Will Rogers Airport, You're still on the North Canadian River. But we cannot guarantee that you didn't enter the twilight zone.
§82-1D. Oklahoma River - Designation of portion of North Canadian River.
A seven-mile section of the North Canadian River, between Meridian Avenue and Eastern Avenue in Oklahoma City, shall be designated as the Oklahoma River for economic development purposes. The Oklahoma Centennial Commission shall cause suitable markers to be placed along the seven-mile section of the river identifying the river as the “Oklahoma River”.
Added by Laws 2004, c. 112, § 1, emerg. eff. April 15, 2004.
