Sleepy Hallow had the headless horseman and Sioux Falls has a beheaded Union Civil War Soldier.... Statue. We are starting with the historical marker Seacoast Gun, but then we are hopping to the history of the location itself. There is not a historical marker for Lyon Park but there are some great plaques that talk about the park and its history and the little mystery of that statue. 

Joseph Hooker - Civil War, General & Legacy | HISTORY 

W.L. Dow - Google Books 

History of Minnehaha County, South Dakota - Google Books 

Seacoast Gun Historical Marker (hmdb.org) 

Grand Army of the Republic (GAR) | Britannica 

The Lyon Family Home / William & Winona Lyon Historical Marker (hmdb.org) 

Argus Leader 2/6/1949 Winnona Lyon Obituary  

Argus Leader 9/27/1930 William Lyon Obituary  

Argus Leader 2/20/2000 Cannon Donation Revisited, some guesses are made about the date statue came to SF SD 

Argus Leader 11/24/1942 Scrapping the Cannon? 

Argus Leader 11/7/1933 moving the statue.