John William Gates 

Missing since April 23, 1916 

Longmont, Colorado 

Joseph Laurence Halpern

Missing Since August 15, 1933

Estes Park Vacinity, Colorado

Aletha Capps

Missing Since December 17, 1955

Douglas County, Colorado

William P Ferguson

Missing Since February 28, 1961

Denver, Colorado

Marilyn Joyce Pittwood

Missing Since November 11, 1965

Pueblo, Colorado

Elaine Joyce Fauver

Missing Since July 24, 1967

Denver, Colorado

Thomas Riha

Missing Since March 15, 1969

Boulder, Colorado

Robert Joseph Newborg

Missing Since May 1, 1969

Fort Carson, Colorado

Baby Boy Rindahl

Missing Since November 25, 1970

Wheat Ridge, Colorado

Peggy Ann Reynolds

Missing Since June 4, 1974 

Breckenridge, Colorado

Colleen Kay Burgess

Missing Since August 31, 1974

Englewood, Colorado

Margaret Renee Armbrust

Missing Since January 1, 1975

Golden, Colorado

Julie L Cunningham

Missing Since March 15, 1975

Vail, Colorado

Denise Lynn Oliverson

Missing Since April 6, 1975

Grand Junction, Colorado

Andy Joe Lepley

Missing Since May 30, 1976

Crow Junction, Colorado

Rebecca Ann Kellison

Missing Since June 19, 1976

Denver, Colorado

Beverly Joan McCool

Missing Since February 6, 1977

Lakewood, Colorado

Michael Joseph Owen

Missing Since January 1, 1978

Leadville, Colorado

Mark Bonner

Missing Since March 20, 1978

Boulder, Colorado

Christopher William Vigil

Missing Since April 30, 1978

Poudre Park, Colorado

Benjamin Franklin Gray

Missing Since May 31, 1978

Montrose, Colorado

Bruce Scott McAllister

Missing Since June 18, 1978

Centennial, Colorado

Timothy Dale Witt

Missing since November 8, 1978

Englewood, Colorado

Katherine Sue Barnum

Missing Since February 19, 1979

Aurora, Colorado

Michael B. Hunter

Missing Since May 27, 1979

Ft. Collins, Colorado

Francis Joseph Houle

Missing Since August 1, 1979

Colorado Springs, Colorado

Norma Jean Halford

Missing Since August 20, 1979

Georgetown, Colorado

Thomas Arthur Michaud

Missing Since August 24, 1979

Centennial, Colorado

Marie Ann Blee

Missing Since November 21, 1979

Craig, Colorado

Jerri Dale Lesser

Missing Since May 31, 1980

Glenwood Springs, Colorado

Amadeo Vigil

Missing Since July 11, 1980

Colorado Springs, Colorado

Angela Cindy Benson

Missing Since August 28, 1980

Lakewood, Colorado

Patricia Ann Lilly

Missing Since October 5, 1980

Fairplay, Colorado

Roger John Ellison

Missing Since February 10, 1981

Cedaredge, Colorado

Maurice Gordon Dametz

Missing Since April 29, 1981

Castle Rock, Colorado

Oscar Joseph McNear

Missing since June 27, 1981

Castle Rock, Colorado

Cynthia Atterberry

Missing Since June 27, 1981

Castle Rock, Colorado

Jon Truscott Haynes

Missing Since July 24, 1981

Nederland, Colorado

Tereasa Sue Knuth

Missing Since August 24, 1981

Frisco, Colorado

Douglas Edward Meer

Missing Since March 29, 1982

Boulder, Colorado

Linda J. Barker

Missing Since April 7, 1982

Colorado Springs, Colorado

Barbara Jean Baumann

Missing Since May 18, 1982

Colorado Springs, Colorado

Bryan Dale Ambrose

Missing Since September 8, 1982

Colorado Springs, Colorado

Yvonne Marie Mestas

Missing Since November 1, 1982

Rocky Ford, Colorado

Victoria Lenore Sanchez

Missing Since November 1, 1982

Rocky Ford, Colorado

Mitchell Todd Hein

Missing Since February 1, 1983

Golden, Colorado

Pamela Lynne Neal

Missing Since March 31, 1983

Englewood, Colorado

Raymond Stubblefield

Missing Since July 3, 1983

Meeker, Colorado

Elizabeth "Beth" Ann Miller

Missing Since August 16, 1983

Idaho Springs, Colorado

Aaron Mosus Standing Bear

Missing Since January 1, 1984

Denver, Colorado

Rex Lee Douglas

Missing Since January 30, 1984

Lyons, Colorado

Keith Robert Anderson

Missing Since February 5, 1984

Hot Sulphur Springs, Colorado

Tom Phifer

Missing Since May 18, 1984

Denver, Colorado

Phillip Gomez

Missing Since May 26, 1984 

Larimer County, Colorado

Gregory John Carter

Missing Since May 30, 1984

Buena Vista, Colorado

Guadalupe Gutierrez Carlin

Missing Since June 1, 1984

Denver, Colorado

Christopher James Harvey

Missing Since July 11, 1984

Hinsdale County, Colorado

Jennifer Anne Douglas

Missing Since July 16, 1984

Denver, Colorado

Stephanie Ann Drnovsek

Missing Since September 5, 1984

Lakewood, Colorado

Sandra Lee Killian

Missing Since September 18, 1984

Lakewood, Colorado

John Gruber

Missing Since October 20, 1984

Larimer County, Colorado

Penny Lynn McClees

Missing Since February 16, 1985

Aurora, Colorado

Robert James Bowling

Missing Since August 11, 1985

Parker, Colorado

Mary Angela Gallegos

Missing Since September 2, 1985

Northglenn, Colorado

Michael E Meteer

Missing Since October 17, 1985

Boulder, Colorado

Fernando Nmn Trevizo

Missing Since November 1, 1985

Colorado Springs, Colorado

Georgia Lee Rohner

Missing Since July 1, 1986

Pagosa Springs, Colorado

Christopher Enoch Abeyta

Missing Since July 15, 1986

Colorado Springs, Colorado

Nicholas Joseph Dolce

Missing Since September 2, 1986

Trinidad, Colorado

Thayne Alan Smika

Missing Since October 1, 1986

Denver, Colorado

Frederick Lee Cain

Missing Since October 20, 1986

Lakewood, Colorado

Robert Edward Decker

Missing Since March 1, 1987

Colorado Springs, Colorado

Ray Burssie Collins

Missing Since July 31, 1987

Salida, Colorado

Sherry D Bynum

Missing Since August 9, 1987

Colorado Springs, Colorado

Fabian Del Rosario

Missing Since August 28, 1987

Boulder, Colorado

Conrad Wayne Gober

Missing Since November 2, 1987

Denver, Colorado

Rocio Sperry

Missing Since November 15, 1987

Colorado Springs, Colorado

Prestlie Dean Hall

Missing Since June 16, 1988

Durango, Colorado

Gary Jerome Rose

Missing Since July 14, 1988

Steamboat Springs, Colorado

Keith R. Reinhard

Missing Since August 7, 1988

Silver Plume, Colorado

Brian James

Missing Since November 1, 1988

Mesa County, Colorado

Julie Shawn Stefanek

Missing Since February 26, 1989

Cherry Hills Village, Colorado

Patricia Ann Gutierrez

Missing Since April 1, 1989

Pueblo, Colorado

Anthony Steven Michael Moya

Missing Since June 12, 1989

Denver, Colorado

Barbara Wilson

Missing Since June 13, 1989

Brighton, Colorado

Richard Stanley Meyer

Missing Since July 29, 1989

Nederland, Colorado

Leland Zook

Missing Since November 1, 1989

Colorado Springs, Colorado