Ashland Ore Dock plans, 1916-1957, 2001.
Related Entities
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Minneapolis, St. Paul & Sault Ste. Marie Railway Company
http://n2t.net/ark:/99166/w6q28pr6 (corporateBody)
Toltz Engineering Company (St. Paul, Minn.)
http://n2t.net/ark:/99166/w6z66tjz (corporateBody)