Edwin J. Hulbert – Michigan State Geologist and Mining Executive
Michigan state geologist and a founder of the Calumet & Hecla mining company. Below are the more substantive materials that I found in regards to Edwin J. Hulbert. Sources of Information about Edwin J. Hulbert Edwards, George, “The Late Edwin J. Hulbert“, Mining and Engineering World, Volume 33, Nov. 26, 1910 p 988. (Page 2 […]
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