A miner stands next to a large rock which he is bloc holing with a pneumatic drill in an unidentified mine somewhere in Colorado. The miner wears boots, denim overalls, gloves, and a head lamp.
Men, a woman and a boy pose at a ceremony for the completion of the the pioneer bore, a tunnel (later a water tunnel) used in the construction of the Moffat Tunnel by the Moffat Tunnel Improvement District, in Grand County or Gilpin County,...
Men and a boy sit or stand near a microphone during a ceremony for the completion of the the pioneer bore, a tunnel (later a water tunnel) used in the construction of the Moffat Tunnel by the Moffat Tunnel Improvement District, in Grand County or...
Moffat Tunnel (Colo.)--1920-1930.; Dedications--Colorado--1920-1930.; Governors--Colorado--1920-1930.; Mayors--Utah--Salt Lake City--1920-1930.; Tunnels--Colorado--1920-1930.; Adams, William Herbert, 1861-1954.; Neslen, C. Clarence.
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,...