Another long day. All I'm going to post for today is a link to a nicely done article in the Rapid City Journal that contains much information on the bison roundup.
http://rapidcityjournal.com/news/local/the-other-buffalo-roundup/article_546afb72-bc04-538c-a3be-24ebec828c4d.html
http://rapidcityjournal.com/news/local/the-other-buffalo-roundup/article_546afb72-bc04-538c-a3be-24ebec828c4d.html