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Photograph from the mid-1870s of a pile of American Bison skulls waiting to be ground for fertilizer. Bison were hunted almost to extinction in the nineteenth century and were reduced to a few hundred head by the mid-1880s, from which all the present day's managed herds are descended. The commercial take arguably was anywhere from 2,000 to 100,000 animals per day, though there are no statistics available. Photo credit: Burton Historical Collection, Detroit Public Library |
