Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Chemistry plays an important part in the production of pure tantalum and columbium metal powders.
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Sequoyah Fuels C...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Leaching Tank on...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Heavy equipment,...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Tantalum and col...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Chemicals apacke...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Potash Ore sampl...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Ozark Chemical C...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Thickener tanks,...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Mines, Lead & Zi...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Plutonium plant
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Mines and Mining...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "In the war years...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Mines and Mining...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Mines and Mining...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Mines and Mining...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Sequoyah Fuels C...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Leaching Tank on...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Heavy equipment,...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Tantalum and col...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Chemicals apacke...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Potash Ore sampl...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Ozark Chemical C...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Thickener tanks,...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Mines, Lead & Zi...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Plutonium plant
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Mines and Mining...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "In the war years...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Mines and Mining...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Mines and Mining...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Mines and Mining...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Sequoyah Fuels C...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Leaching Tank on...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Heavy equipment,...