[Testing Petroleum Coke at Great Lakes Carbon Company]
Description:
Photograph of an individual identified only as "Greta" testing petroleum coke, a byproduct of oil refining, in a laboratory at the Great Lakes Carbon Company. She looks toward the photographer and smiles as she holds equipment in her hands.
Date:
January 1976
Creator:
Lewis, David P.
Item Type:
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Photograph
Partner:
Lamar University