Tobelmann, Henry A.
Biographical note: Metallurgist; Tobelmann was the cement chemist during the building of Roosevelt Dam, about 1905, and was metallurgist at the New Cornelia Copper Company in Ajo, Arizona from about 1914 to 1921.
From the description of Roosevelt and Ajo photograph albums, ca. 1905-1920. (Arizona Historical Society, Southern Arizona Division). WorldCat record id: 50751891
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