I know links in the notes are so boring right but if you are into it I really suggest checking out the links in the notes there is some interesting stuff.

"The View from the Front Porch: William McKinley and the Campaign of 1896" - Rutherford B. Hayes Presidential Library & Museums (rbhayes.org)

Speeches and Addresses of William McKinley - Google Books

Presidential Visits to South Dakota (sdpb.org)

South Dakota has hosted all but eight presidents (keloland.com)

Full text of "Speeches and addresses of William McKinley, from March 1, 1897 to May 30, 1900" (archive.org)

The Front Porch Campaign | AMERICAN HERITAGE

History.ashx (sd.gov)

vol-30-no-4-patriotic-pageantry.pdf (sdhspress.com)

The Madison daily leader. [volume] (Madison, S.D.) 1890-current, October 16, 1899, Image 1 « Chronicling America « Library of Congress (loc.gov)

Former U.S. Presidents: #25 William McKinley Historical Markers (hmdb.org)

Oahe Dam - Wikipedia

JFK in South Dakota - 1962 (sdpb.org)