A 1946 photo of a mineral processing plant in Trona, California.
- Citation Information
- Frasher, Burton, “Trona Service Station with Pyrobor Section of Chemical Manufacturing Plant of American Potash and Chemical Corporation California,” Digital Public Library of America, http://dp.la/item/a0518124c16a0ecf32b583f51de1bc59.
Courtesy of Pomona Public Library via California Digital Library.
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