John William Gates 

Adult Male

Missing since April 23, 1916 

Longmont, Colorado 

Joseph Laurence Halpern

Adult Male

Missing Since August 15, 1933

Estes Park Vacinity, Colorado

Aletha Capps

Adult Female

Missing Since December 17, 1955

Douglas County, Colorado

William P Ferguson

Adult Male

Missing Since February 28, 1961

Denver, Colorado

Marilyn Joyce Pittwood

Adult Female

Missing Since November 11, 1965

Pueblo, Colorado

Elaine Joyce Fauver

Adult Female

Missing Since July 24, 1967

Denver, Colorado

Thomas Riha

Adult Male

Missing Since March 15, 1969

Boulder, Colorado

Robert Joseph Newborg

Adult Male

Missing Since May 1, 1969

Fort Carson, Colorado

Baby Boy Rindahl

Male Child

Missing Since November 25, 1970

Wheat Ridge, Colorado

Peggy Ann Reynolds

Adult Female

Missing Since June 4, 1974 

Breckenridge, Colorado

Colleen Kay Burgess

Adult Female

Missing Since August 31, 1974

Englewood, Colorado

Margaret Renee Armbrust

Adult Female

Missing Since January 1, 1975

Golden, Colorado

Julie L Cunningham

Adult Female

Missing Since March 15, 1975

Vail, Colorado

Denise Lynn Oliverson

Adult Female

Missing Since April 6, 1975

Grand Junction, Colorado

Andy Joe Lepley

Adult Male

Missing Since May 30, 1976

Crow Junction, Colorado

Rebecca Ann Kellison

Adult Female

Missing Since June 19, 1976

Denver, Colorado

Beverly Joan McCool

Adult Female

Missing Since February 6, 1977

Lakewood, Colorado

Michael Joseph Owen

Adult Male

Missing Since January 1, 1978

Leadville, Colorado

Mark Bonner

Adult Male

Missing Since March 20, 1978

Boulder, Colorado

Christopher William Vigil

Male Child

Missing Since April 30, 1978

Poudre Park, Colorado

Benjamin Franklin Gray

Adult Male

Missing Since May 31, 1978

Montrose, Colorado

Bruce Scott McAllister

Adult Male

Missing Since June 18, 1978

Centennial, Colorado

Timothy Dale Witt

Adult Male

Missing since November 8, 1978

Englewood, Colorado

Katherine Sue Barnum

Adult Female

Missing Since February 19, 1979

Aurora, Colorado

Michael B. Hunter

Adult Male

Missing Since May 27, 1979

Ft. Collins, Colorado

Francis Joseph Houle

Adult Male

Missing Since August 1, 1979

Colorado Springs, Colorado

Norma Jean Halford

Adult Female

Missing Since August 20, 1979

Georgetown, Colorado

Thomas Arthur Michaud

Adult Male

Missing Since August 24, 1979

Centennial, Colorado

Marie Ann Blee

Female Child

Missing Since November 21, 1979

Craig, Colorado

Jerri Dale Lesser

Adult Male

Missing Since May 31, 1980

Glenwood Springs, Colorado

Amadeo Vigil

Adult Male

Missing Since July 11, 1980

Colorado Springs, Colorado

Angela Cindy Benson

Adult Female

Missing Since August 28, 1980

Lakewood, Colorado

Patricia Ann Lilly

Adult Female

Missing Since October 5, 1980

Fairplay, Colorado

Roger John Ellison

Adult Male

Missing Since February 10, 1981

Cedaredge, Colorado

Maurice Gordon Dametz

Adult Male

Missing Since April 29, 1981

Castle Rock, Colorado

Oscar Joseph McNear

Adult Male

Missing since June 27, 1981

Castle Rock, Colorado

Cynthia Atterberry

Adult Female

Missing Since June 27, 1981

Castle Rock, Colorado

Jon Truscott Haynes

Adult Male

Missing Since July 24, 1981

Nederland, Colorado

Tereasa Sue Knuth

Adult Female

Missing Since August 24, 1981

Frisco, Colorado

Douglas Edward Meer

Adult Male

Missing Since March 29, 1982

Boulder, Colorado

Linda J. Barker

Adult Female

Missing Since April 7, 1982

Colorado Springs, Colorado

Barbara Jean Baumann

Adult Female

Missing Since May 18, 1982

Colorado Springs, Colorado

Bryan Dale Ambrose

Adult Male

Missing Since September 8, 1982

Colorado Springs, Colorado

Yvonne Marie Mestas

Female Child

Missing Since November 1, 1982

Rocky Ford, Colorado

Victoria Lenore Sanchez

Female Child

Missing Since November 1, 1982

Rocky Ford, Colorado

Mitchell Todd Hein

Adult Male

Missing Since February 1, 1983

Golden, Colorado

Pamela Lynne Neal

Adult Female

Missing Since March 31, 1983

Englewood, Colorado

Raymond Stubblefield

Adult Male

Missing Since July 3, 1983

Meeker, Colorado

Elizabeth "Beth" Ann Miller

Female Child

Missing Since August 16, 1983

Idaho Springs, Colorado

Aaron Mosus Standing Bear

Adult Male

Missing Since January 1, 1984

Denver, Colorado

Rex Lee Douglas

Adult Male

Missing Since January 30, 1984

Lyons, Colorado

Keith Robert Anderson

Adult Male

Missing Since February 5, 1984

Hot Sulphur Springs, Colorado

Tom Phifer

Adult Male

Missing Since May 18, 1984

Denver, Colorado

Phillip Gomez

Adult Male

Missing Since May 26, 1984 

Larimer County, Colorado

Gregory John Carter

Adult Male

Missing Since May 30, 1984

Buena Vista, Colorado

Guadalupe Gutierrez Carlin

Adult Female

Missing Since June 1, 1984

Denver, Colorado

Christopher James Harvey

Male Child

Missing Since July 11, 1984

Hinsdale County, Colorado

Jennifer Anne Douglas

Female Child

Missing Since July 16, 1984

Denver, Colorado

Stephanie Ann Drnovsek

Adult Female

Missing Since September 5, 1984

Lakewood, Colorado

Sandra Lee Killian

Adult Female

Missing Since September 18, 1984

Lakewood, Colorado

John Gruber

Adult Male

Missing Since October 20, 1984

Larimer County, Colorado

Penny Lynn McClees

Adult Female

Missing Since February 16, 1985

Aurora, Colorado

Robert James Bowling

Male Child

Missing Since August 11, 1985

Parker, Colorado

Mary Angela Gallegos

Adult Female

Missing Since September 2, 1985

Northglenn, Colorado

Michael E Meteer

Adult Male

Missing Since October 17, 1985

Boulder, Colorado

Fernando Nmn Trevizo

Adult Male

Missing Since November 1, 1985

Colorado Springs, Colorado

Georgia Lee Rohner

Adult Female

Missing Since July 1, 1986

Pagosa Springs, Colorado

Christopher Enoch Abeyta

Male Child

Missing Since July 15, 1986

Colorado Springs, Colorado

Nicholas Joseph Dolce

Adult Male

Missing Since September 2, 1986

Trinidad, Colorado

Thayne Alan Smika

Adult Male

Missing Since October 1, 1986

Denver, Colorado

Frederick Lee Cain

Adult Male

Missing Since October 20, 1986

Lakewood, Colorado

Robert Edward Decker

Male Child

Missing Since March 1, 1987

Colorado Springs, Colorado

Ray Burssie Collins

Adult Male

Missing Since July 31, 1987

Salida, Colorado

Sherry D Bynum

Adult Female

Missing Since August 9, 1987

Colorado Springs, Colorado

Fabian Del Rosario

Adult Male

Missing Since August 28, 1987

Boulder, Colorado

Conrad Wayne Gober

Adult Male

Missing Since November 2, 1987

Denver, Colorado

Rocio Sperry

Adult Female

Missing Since November 15, 1987

Colorado Springs, Colorado

Prestlie Dean Hall

Adult Male

Missing Since June 16, 1988

Durango, Colorado

Keith R. Reinhard

Adult Male

Missing Since August 7, 1988

Silver Plume, Colorado

Gary Jerome Rose

Adult Male

Missing Since October 17, 1988

Steamboat Springs, Colorado

Brian James

Adult Male

Missing Since November 1, 1988

Mesa County, Colorado

Julie Shawn Stefanek

Adult Female

Missing Since February 26, 1989

Cherry Hills Village, Colorado

Patricia Ann Gutierrez

Adult Female

Missing Since April 1, 1989

Pueblo, Colorado

Anthony Steven Michael Moya

Male Child

Missing Since June 12, 1989

Denver, Colorado

Barbara Wilson

Adult Female

Missing Since June 13, 1989

Brighton, Colorado

Richard Stanley Meyer

Adult Male

Missing Since July 29, 1989

Nederland, Colorado

Leland Zook

Adult Male

Missing Since November 1, 1989

Colorado Springs, Colorado