A listing of mines and processing facilities in northeast lower peninsula of Michigan, centered north, west and south of Alpena and north and east of St. Ignace in the Upper Peninsula. These are mostly limestone, rock and gravel mines extracted mostly by the open pit method.
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