Exterior of American Gilsonite plant in Bonanza. Workers standing in groups, warehouse
This shows the shoring and structure of the inside of a gilsonite mine near Bonanza, Utah
Paul Borden, superintendent at the Bonanza Plant, stands in front of the headquarters building. The ...
Houses and American Gilsonite buildings can be seen in this photo of Bonanza, Utah
Exterior of American Gilsonite plant in Bonanza. Workers standing in groups, warehouse
Processing plant at the American Gilsonite Company at Bonanza, Utah, located about 45 miles south of...
Gilsonite is loaded into cargo box of truck to transport from the Bonanza plant. Bagged gilsonite is...
Building and equipment owned by American Gilsonite is shown near this Bonanza, Utah, mining location
A view of a Gilsonite Vein at Bonanza, Utah. Gilsonite can be seen in a large pile in the middle of ...
American Gilsonite mines for gilsonite, a shiny black mineral, near Bonanza, Utah. Gilsonite is used...
Three bags of Gilsonite are hoisted from the mine. Unidentified workers add these 200 lb sacks of Gi...
American Gilsonite Processing plant at Bonanza, Utah, makes it possible to send a stream of vast Ui...
Men stand in front of cargo truck that will transport gilsonite from the Gilsonite plant in Bonanza
Men operate equipment at American Gilsonite at Bonanza, Utah, 45 miles south of Vernal
Gilsonite Injection Plant in Bonanza. Gilsonite mixed with oil was sent through a pipeline to Salt L...
This shows the shoring and structure of the inside of a gilsonite mine near Bonanza, Utah
Paul Borden, superintendent at the Bonanza Plant, stands in front of the headquarters building. The ...
Houses and American Gilsonite buildings can be seen in this photo of Bonanza, Utah
Exterior of American Gilsonite plant in Bonanza. Workers standing in groups, warehouse
Processing plant at the American Gilsonite Company at Bonanza, Utah, located about 45 miles south of...
Gilsonite is loaded into cargo box of truck to transport from the Bonanza plant. Bagged gilsonite is...
Building and equipment owned by American Gilsonite is shown near this Bonanza, Utah, mining location
A view of a Gilsonite Vein at Bonanza, Utah. Gilsonite can be seen in a large pile in the middle of ...
American Gilsonite mines for gilsonite, a shiny black mineral, near Bonanza, Utah. Gilsonite is used...
Three bags of Gilsonite are hoisted from the mine. Unidentified workers add these 200 lb sacks of Gi...
American Gilsonite Processing plant at Bonanza, Utah, makes it possible to send a stream of vast Ui...
Men stand in front of cargo truck that will transport gilsonite from the Gilsonite plant in Bonanza
Men operate equipment at American Gilsonite at Bonanza, Utah, 45 miles south of Vernal
Gilsonite Injection Plant in Bonanza. Gilsonite mixed with oil was sent through a pipeline to Salt L...
This shows the shoring and structure of the inside of a gilsonite mine near Bonanza, Utah
Paul Borden, superintendent at the Bonanza Plant, stands in front of the headquarters building. The ...
Houses and American Gilsonite buildings can be seen in this photo of Bonanza, Utah