[–] [Deleted] 1 points (+1|-0) "Photograph 1892 of a pile of American bison skulls waiting to be ground for fertilizer." ["Photograph 1892 of a pile of American bison skulls waiting to be ground for fertilizer."](https://en.wikipedia.org/wiki/File:Bison_skull_pile-restored.jpg) permalink source
"Photograph 1892 of a pile of American bison skulls waiting to be ground for fertilizer."