MCCHRISTIAN, Douglas Clark 71, passed away September 14, 2018 in Tucson, AZ. Mr. McChristian was the son of Allen and Eileen McChristian and was a native of LaCrosse, Kansas. He was a 1969 graduate of Fort Hays State University. During his nearly 35 years as a career employee of the U.S. National Park Service, McÇhristian served at various time as a field ranger and historian, park manager interpretive specialist, and research historian. He was an award-winning author of numerous articles and several books, including Fort Bowie, Arizona: Combat Post of the Southwest, 1858 - 1894. He is survived by his wife, Frances; a brother, Ray A. McChristian of Hutchinson, Kansas; a daughter, Kim R. Velez and two grandchildren, who reside in Thornton, Colorado. A Memorial Service will be held at 1:00 p.m., Friday, October 12, 2018 at Tortolita Church, 10710 N. Thornydale Rd. In lieu of flowers, donations may be made to Casa de la Luz Foundation, 7740 N. Oracle Rd., Tucson 85704. Arrangements by DESERT SUNSET FUNERAL HOME.