David R. Mangan passed away on October 13, 2013. He is survived by his wife of 24 years, Renee Mangan; his beloved dog, Lakota; mother, Diane Mangan; father, Mike Mangan; brother, Lee Mangan; and family and friends. David was a devoted Denver Broncos fan as well as the Washington State Cougars and enjoyed camping at Goose Creek. He will be missed by all. A celebration of life will be announced at a later date.