Men and women mounted on horses and mules pose in front of a house on a dirt road in the town of Ophir (San Miguel County), Colorado. The house frame house has ornate porch brackets. A barn and hills are in the distance.
View of the abandoned head frame of the Ophir-Burroughs mine, owned by the Ophir Gold Mining Company, near Nevadaville, Gilpin County, Colorado. The ruins of the shaft house are nearby.
History of mines and mining in Pennsylvania, and an alphabetical index by miner’s name for fatal and non-fatal mine accidents in Pennsylvania for the years 1869, 1871, 1872, 1874 (partial), 1875, 1877,
1879, 1880, 1882, 1883, 1884, 1887, 1888,...