Tag: Quarries and Quarrying

Brownstone or sandstone quarry; workers; equipment ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections

Brownstone or sandstone quarry; workers; equipment ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections

Brownstone or sandstone quarry; workers; equipment ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections

Brownstone or sandstone quarry; workers; equipment ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections

Brownstone or sandstone quarry; workers; equipment ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections

Brownstone or sandstone quarry; workers; equipment ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections

Brownstone or sandstone quarry; workers; equipment ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections

Brownstone or sandstone quarry; workers; equipment ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections

Brownstone or sandstone quarry; workers; equipment ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections

Brownstone or sandstone quarry; workers; equipment ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections