Duane Robert Beagle was found July 4, 2018 in his home in Gardiner, Montana, having died of natural causes. His health had been declining in the previous months. A quiet but friendly man, he was well-liked and respected by those who knew him.Duane was born November 11, 1939 in Sidney, Montana to Rupert and Guinevere (Hardy) Beagle. He graduated from High School in Sidney, where he participated in track. He enlisted in the Marines for 4 years, stationed in Camp Pendleton in California, he then returned to Montana.He worked in construction for many years, helping to restore many of the historical lodges and buildings in Yellowstone National Park. He also worked at the K-Bar in Gardiner. He spent a couple winters of retirement in Arizona but loved being in Montana, riding in the mountains on his 4-wheeler and fishing. He also enjoyed watching ballgames and auto races on tv.Duane is survived by his sisters, Marilyn Douglas of Pacific, Washington, and Barbara Berg of Billings, three nieces and a nephew. He was preceded in death by his brother, John, and his parents. A memorial service is planned for Wednesday, August 1st, 10 am, at the Gardiner Community Church with interment following at the Mountain View Cemetery in Big Timber.Arrangements are under the care of Franzen-Davis Funeral Home and Crematory in Livingston.