Edited sentence: Forest Service Road 65, the Beckler River Road, runs north from U.In terms of river size and streamflow, the true source of the South Fork Skykomish River is the Rapid River and Beckler River, even though the South Fork keeps its name above the Beckler confluence.In the late 1800s and early 1900s USGS undertook a massive mapping project in the Cascade Mountains north of Snoqualmie Pass.Mineral discoveries prompted booms in the late 1800s, especially at Monte Cristo.Prospectors explored the Beckler River region during the early 1890s.Prospectors had already thoroughly explored the region by the 1890s.Route 2 following the river to Jack Pass and connecting to Forest Service Road 63, the North Fork Skykomish Road.The Beckler River area was surveyed for this project in 1902 by W.The Beckler River offered another route, over Jack Pass to the North Fork Skykomish River.The main route to Monte Cristo, before alternate routes were found, was north from Index via the North Fork Skykomish River