Another HD flat
Gatwood, Elden J SAD
One of my favorites, stubby Carnegie-Illinois Steel (USSteel), with a whopping big ingot - Homestead Works, 1946
https://historicpittsburgh.org/islandora/object/pitt%3A943.46974.GN/from_search/073e3079268f9048485fa504df4f84f5-1821 Elden Gatwood
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