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Mine: Calcite, MI

Calcite MI mine, Port Huron MI Calcite MI Interlocking Tower DiagramCalcite is a large limestone quarry which is located east of Rogers City in Presque Isle County. Operations continue today (2015) however rail service is no longer present on the site. The mine was formally served by the Detroit & Mackinac railroad.

Photo Info/Credit: Top, an overhead postcard view of Port Calcite, east of Rogers City. 2nd photo, a drawing of the two interlockers inside the limestone plant at Calcite. Both apparently had towers with working interlocking machines. Drawn from blueprints in the State of Michigan Archives. [Dale Berry]