 In 1864, the Warrior Run Mining Company was organized; it reopened the old Holland and Hillman mine.The company constructed a breaker at the foot of the mountain which opened in 1867.At about the same time, both the Lehigh Valley Railroad and the Nanticoke Branch of the Central Railroad of New Jersey completed their lines through the area, thus making it possible to conveniently mine, transport, and market the area's coal.