Description, clothing, tattoos, other identifying markings: A plaid shirt, blue jeans, cowboy boots and a cowboy hat.
Other characteristics: Caucasian male. Brown hair, blue eyes.
Details at time of disappearance: Chivers disappeared with Joseph Dominic Galbo from Hope, Alaska on June 18, 1983. The two men were on a canoe trip on 6 Mile Creek, in the Turnagain Arm area, and never returned.
The canoe was found floating upright and unoccupied near Millers Creek, east of Cook Inlet. Searchers found the body of the men's dog, and a life jacket believed to be from the canoe, but no sign of Galbo or Chivers. They are presumed drowned.
Photos of Galbo are unavailable. He was 29 years old at the time of his disappearance and is described as Caucasian, 5'8 and 155 pounds, with brown hair and brown eyes.