Canadian Pacific Railway trestle bridge CP 354 at Mountain Creek, BC, circa 1900. A worktrain led by a 4-4-0 class locomotive, Canadian Pacific Railway 354 on the high timber trestle at Mountin Creek in Beaver Valley in the Selkirk Mountains of British Columbi, Canada. Workers with shovels pose on flat cars loaded with dirt or gravel. J.M. Fredrickson collection. Other Subject Classes: trestle, river