The Calcite limestone/dolomite quarry, near Rogers City, is the largest limestone quarry in the world. The images below will attempt to give you an idea of the size of the open pit mine that exists there, but obviously do not do it justice. Please go their web site for more details.
The mine is within the Rogers City limestone, which is part of the Dundee Limestone.
State University Department of Geography
Source: Photograph by Randy Schaetzl, Professor of Geography - Michigan State University
The quarry sits on Lake Huron--the proximity to the lake allows easy access to ore carriers and hence, cheap transportation for the bulky limestone cargo. The image below shows the Calcite Dock area, on Lake Huron.
Source: Photograph by Randy Schaetzl, Professor of Geography - Michigan
Source: Michigan Trend Futures Report, Michigan Society of Planning, 1997
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