San Francisco Chemical Company workers in the Brush Creek area prepare to blast out 15,000 tons of phosphate. They planned to ship 6000 tons of ore to Leefe, Wyoming, for large-scale testing
Heavy steel girders are riveted and welded together to form the building that will house the rold mi...
Visitors watch the phosphate operation underway at San Francisco Chemical Co. plant north of Vernal....
Natural gas pipeline comes from the Diamond Mountain road and will extend 10.1 miles to the San Fran...
San Francisco Chemical Company workers in the Brush Creek area prepare to blast out 15,000 tons of p...
San Francisco Phosphate Company began opporation in December 1960 following completion of the concen...
The San Francisco Chemical Co. opened for operation in December 1960, 15 miles north of Vernal. The ...
This streamlined belly dump truck was one of a large fleet that trucked phosphate from the huge Brus...
This is part of the San Francisco Chemical Company's phosphae mine-mill complex 12 miles north of Ve...
Hugh teepee like building stores the fine powder which is conveyed to two hoppers that pours the pro...
Group of surveyors at ranch on Big Brush Creek, looking at the land for possible phosphate mining op...
A dynamited section of phosphate ore, at right, is broken up and ready for shipment to Wyoming mills
State and phosphate company officials examine phosphate ore beds in the Brush Creek area
Heavy steel girders are riveted and welded together to form the building that will house the rold mi...
Visitors watch the phosphate operation underway at San Francisco Chemical Co. plant north of Vernal....
Natural gas pipeline comes from the Diamond Mountain road and will extend 10.1 miles to the San Fran...
San Francisco Chemical Company workers in the Brush Creek area prepare to blast out 15,000 tons of p...
San Francisco Phosphate Company began opporation in December 1960 following completion of the concen...
The San Francisco Chemical Co. opened for operation in December 1960, 15 miles north of Vernal. The ...
This streamlined belly dump truck was one of a large fleet that trucked phosphate from the huge Brus...
This is part of the San Francisco Chemical Company's phosphae mine-mill complex 12 miles north of Ve...
Hugh teepee like building stores the fine powder which is conveyed to two hoppers that pours the pro...
Group of surveyors at ranch on Big Brush Creek, looking at the land for possible phosphate mining op...
A dynamited section of phosphate ore, at right, is broken up and ready for shipment to Wyoming mills
State and phosphate company officials examine phosphate ore beds in the Brush Creek area
Heavy steel girders are riveted and welded together to form the building that will house the rold mi...
Visitors watch the phosphate operation underway at San Francisco Chemical Co. plant north of Vernal....
Natural gas pipeline comes from the Diamond Mountain road and will extend 10.1 miles to the San Fran...