History: Pile of American bison skulls to be used for fertilizer, circa 1892 [5,689 × 4,448]

https://i.redd.it/3a2ffog8vyi21.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/av3qhd/pile_of_american_bison_skulls_to_be_used_for/?utm_source=ifttt