Please summarize the history of the development of Roche Percee based on this article
Roche Percee was originally explored in 1872 by the Boundary Commission before a small camp was built in the area in 1874 by the North-West Mounted Police. The area then grew further after the establishment of the Soo Line train, with coal mining helping to grow the area. Eventually, Roche Percee was finally incorporated in the beginning of 1909.