Add to ORKGBlack and white photograph (reverse image) of a small building and a tent, possibly an early property associated with the Yourdon family in Colorado or Utah. (See 211 above
Black and white photograph of Marvin Yourdon, probably in one of the gilsonite camps in southern Uin...
Black and white photograph of trucks loaded with Gilsonite. Ed Yourdon's notes: "I've mentioned, in...
Black and white photograph of a workshop at Bonanza, Utah. Ed Yourdon's notes: "Ray Yourdon's comme...
Black and white photograph (reverse image) of a small building and a tent, possibly an early propert...
Black and white photograph of a small building and a tent, possibly an early property associated wit...
Black and white photograph of homes at one of the gilsonite mining camps in southern Uintah County, ...
Black and white photograph of buildings under rocky cliffs, possibly gilsonite mine buildings in sou...
Black and white photograph of a group of houses at one of the gilsonite mine camps in southern Uinta...
Black and white photograph of an old wooden building, possibly in a gilsonite mining came in Uintah ...
Black and white photograph (reverse image) of people with horse-drawn wagons next to a camp with ten...
Black and white photograph of an old wooden building, possibly in a gilsonite mining came in Uintah ...
Black and white photograph of buildings in the gilsonite mine area of southern Uintah County, Utah. ...
Black and white photograph of the Yourdons working on construction of a house, probably at one of th...
Black and white photograph of Ike Yourdon sitting near houses in Bonanza, Utah. Ed Yourdon's notes:...
Black and white photograph of children with goats and home-made carts, probably in a Uintah County m...
Black and white photograph of Marvin Yourdon, probably in one of the gilsonite camps in southern Uin...
Black and white photograph of trucks loaded with Gilsonite. Ed Yourdon's notes: "I've mentioned, in...
Black and white photograph of a workshop at Bonanza, Utah. Ed Yourdon's notes: "Ray Yourdon's comme...
Black and white photograph (reverse image) of a small building and a tent, possibly an early propert...
Black and white photograph of a small building and a tent, possibly an early property associated wit...
Black and white photograph of homes at one of the gilsonite mining camps in southern Uintah County, ...
Black and white photograph of buildings under rocky cliffs, possibly gilsonite mine buildings in sou...
Black and white photograph of a group of houses at one of the gilsonite mine camps in southern Uinta...
Black and white photograph of an old wooden building, possibly in a gilsonite mining came in Uintah ...
Black and white photograph (reverse image) of people with horse-drawn wagons next to a camp with ten...
Black and white photograph of an old wooden building, possibly in a gilsonite mining came in Uintah ...
Black and white photograph of buildings in the gilsonite mine area of southern Uintah County, Utah. ...
Black and white photograph of the Yourdons working on construction of a house, probably at one of th...
Black and white photograph of Ike Yourdon sitting near houses in Bonanza, Utah. Ed Yourdon's notes:...
Black and white photograph of children with goats and home-made carts, probably in a Uintah County m...
Black and white photograph of Marvin Yourdon, probably in one of the gilsonite camps in southern Uin...
Black and white photograph of trucks loaded with Gilsonite. Ed Yourdon's notes: "I've mentioned, in...
Black and white photograph of a workshop at Bonanza, Utah. Ed Yourdon's notes: "Ray Yourdon's comme...
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