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Location: Essexville, MI - Aetna Portland Cement Co.
The Aetna Portland Cement Company operated a cement plant here. It was a division of Martin-Marietta Corporation.
NE 1/4 Section 14 of T41-R5E.
Notes
Product for mixing comes from Rogers City.
Time Line
Bibliography
The following sources are utilized in this website. [SOURCE-YEAR-MMDD-PG]:
- [AAB| = All Aboard!, by Willis Dunbar, Eerdmans Publishing, Grand Rapids ©1969.
- [AAN] = Alpena Argus newspaper.
- [AARQJ] = American Association of Railroads Quiz Jr. pamphlet. © 1956
- [AATHA] = Ann Arbor Railroad Technical and Historical Association newsletter "The Double A"
- [AB] = Information provided at Michigan History Conference from Andrew Bailey, Port Huron, MI
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