Naylors Run is a 4.6-mile-long (7.4 km)[1] tributary of Cobbs Creek in Haverford and Upper Darby Township, Pennsylvania, United States.[2]
- ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed April 1, 2011
- ^ U.S. Geological Survey Geographic Names Information System: Naylors Run