Stock Photo: Pemigewasset Wilderness - Footbridge, which crosses the East Branch of the Pemigewasset River along the Thoreau Falls Trail at North Fork Junction in Lincoln, New Hampshire USA. This bridge is supported by two large white pines. Just beyond the bridge is the location of where a timber trestle once crossed the river along the East Branch & Lincoln Railroad, which was a logging railroad in operation from 1893 - 1948