July 18, 2018
Heidi Osselaer, author of “Arizona’s Deadliest Gunfight” will give a presentation on the fight at 2 p.m. Saturday, July 21, 2018, at Sharlot Hall Museum. (Courtesy/Ken Leja)
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Many theories surround cause
Historian and author Heidi Osselaer asserts that Arizona’s deadliest gunfight was not at the O.K. Corral, but at the Powers Cabin in the Galiuro Mountains.