
The map below shows the original location of the fairgrounds at NE 10th and MLK.

http://imaginativeamerica.com/2008/11/oklahoma-citys-1910-plan-for-grand-boulevard-by-wh-dunn/

Notice the winding path of the North Canadian (Oklahoma) River. It was straightened by the Army Corps of Engineers in 1953 to its current route.
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