In its natural state, the Middle Fork drained a large upland marsh in what is now Ford County. The Middle Fork has been extended into the marsh by drainage ditches. Including the ditches, the Middle Fork is about 77 miles (124 km) long.[3]
^U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National MapArchived 2012-03-29 at the Wayback Machine, accessed May 19, 2011