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[1914] Southern Colorado (Colorado, … Militia at Ludlow train stat … |
1914 Southern Colorado (Colorado, … Miners and militia |
Undated Southern Colorado (Colorado, … Interior view of rescue car … |
Undated Colorado (United States, Nor … Mine tracks destroyed after … |
Undated Colorado (United States, Nor … Nine men and a dog standing … |
Undated Colorado (United States, Nor … Men look at a rail track |
Undated Southern Colorado (Colorado, … Interior of rescue car with … |
1885-09-01 Rock Springs (Sweetwater, Wy … Workers camping in box cars … |
Undated Colorado (United States, Nor … Men outside the Husted train … |
Undated Colorado (United States, Nor … Denver and Rio Grande statio … |
Undated Florence (Fremont, Colorado, … Train depot at Florence, Col … |
Undated Colorado (United States, Nor … Train yard in Colorado |
Undated Royal Gorge (Fremont, Colora … Train traveling through the … |
Undated Pueblo (Pueblo, Colorado, Un … Overturned train in Pueblo, … |
Undated Pueblo (Pueblo, Colorado, Un … Train station in Pueblo, Col … |
1908 Colorado (United States, Nor … Railroad workers next to a s … |
Undated Superior (Sweetwater, Wyomin … Miners using machinery |
1937 Superior (Sweetwater, Wyomin … Miners working around the po … |
Undated Superior (Sweetwater, Wyomin … Mine complex in Superior, Wy … |
1913 Rock Springs (Sweetwater, Wy … Mine carts on a railway |
Undated Rock Springs (Sweetwater, Wy … Tunnel B for a mine in Rock … |
Undated Rock Springs (Sweetwater, Wy … Union Pacific Coal Company f … |
Undated Reliance (Sweetwater, Wyomin … Vehicles parked next to rail … |
1939 Reliance (Sweetwater, Wyomin … Loading multiple freight car … |
1926 Superior (Sweetwater, Wyomin … Primero Coal Company in Supe … |
1926 Superior (Sweetwater, Wyomin … Primero Coal Company in Supe … |
1926 Superior (Sweetwater, Wyomin … Man working for Primero Coal … |
Undated Southern Wyoming (Wyoming, U … Engineer driving mine railro … |
Undated Southern Wyoming (Wyoming, U … Primero Coal Company in Supe … |
Undated Southern Wyoming (Wyoming, U … Aerial view of mine complex … |
[after 1937] Southern Wyoming (Wyoming, U … Freight carts drive towards … |
Undated Southern Wyoming (Wyoming, U … Installing support beams |
Undated Southern Wyoming (Wyoming, U … Dines mine |
Undated Utah (United States, North A … Freight car in Columbia, Uta … |
Undated Utah (United States, North A … Train accident in Spring Can … |
[1970s] Utah (United States, North A … Railroad through Castle Gate … |
Undated Utah (United States, North A … Castle Gate coke ovens |
Undated Utah (United States, North A … Castle Gate mining complex |
1955 Utah (United States, North A … Portrait of an engineer at G … |
1955 Utah (United States, North A … Portrait of an engineer at G … |
Undated Utah (United States, North A … Exterior of mine yard |
[1970s] Utah (United States, North A … Mine railroad car |
Undated Utah (United States, North A … Mine railroad tracks |
Undated Utah (United States, North A … Mine railroad tracks |
Undated Utah (United States, North A … Tipple in Carbon County |
Undated Utah (United States, North A … Electric mine train |
Undated Utah (United States, North A … Electric mine train |
Undated Utah (United States, North A … Mine employee in Utah |
1970s Utah (United States, North A … Miner in Utah |
1970s Utah (United States, North A … Miner in Utah |