Douglas Keith Miller, 57, was born on September 18, 1959 in Yuma, Arizona. He passed away on October 26, 2016 in West Hills, California.Keith was an outdoorsman; he loved anything to do with geology. In his youth, he was active in 4-H and FFA. He worked for the Bard Irrigation District for many years followed by working in the mining industry, and later he worked in construction as a heavy equipment operator.Keith is survived by his parents, Lynn and Jackie Miller, his children Nick Miller (Kat) and Jenna Miller (Brandon), and new grandson Cooper Miller who was born on his birthday. He is also survived by his siblings, Rick (Nancy) Miller, Jeff Miller, Karen (Kenny) Bagby, Sharon Quick (Darrin), Brian Miller (Meghan), and Greg Miller (Keri). He also had many nieces and nephews.A celebration of life will be held on Saturday, November 5, 2016, 11:00AM at the home of Lynn and Jackie Miller at 4720 E. County 8 ½ Street, Yuma, AZ 85365.