Stock Photo: East Branch & Lincoln Railroad - Location of where a spur line left the main railroad track. This spur line crossed the North Fork East Branch Pemigewasset River (before Camp 23) in the Thoreau Falls Valley of the Pemigewasset Wilderness of Lincoln, New Hampshire USA. This section traveled a short distance on the east side of the North Fork ending at a landing / work area. This was a logging railroad which operated from 1893 - 1948.