A22ProphecyPlymouth

Figure 9: A shallow northeast to southwest oriented valley with an elevation of slightly less than 300 feet in the Wing Field area links the northeast oriented Prophecy Creek headwaters valley with the southwest oriented Plymouth Creek headwaters. Prophecy Creek flows to southeast oriented Wissahickon Creek as a barbed tributary. Valleys with elevations of slightly more than 200 feet link the Wissahickon Creek valley with Plymouth Creek just south of figure 9. United States Geological Survey map presented using National Geographic TOPO software.