While this episode is not out yet, I did want to share the books I quote from during the tour. Once the episode is posted, links, pictures and more information can be found here.
The Divorce Colony - A fascinating true story by April White
Here lies Sioux Falls: Richardson, Jeanne Schulte: 9780963254214: Amazon.com: Books
The Beautiful Snow - Author and Speaker Cindy Wilson (cindywilson-author.com)
Railroads: The Great American Adventure book by Charlton Ogburn Jr. (thriftbooks.com)
Old Trails and New Roads in South Dakota History | Augustana University (augie.edu)