https://www.facebook.com/events/1107002446348484/?active_tab=discussion
https://www.argusleader.com/story/news/2020/07/01/mount-rushmore-protest-planned-keystone-ahead-president-trumps-black-hills-visit/5357998002/
wapo:
https://www.washingtonpost.com/climate-environment/2020/07/02/mount-rushmore-protest-sioux-trump/