Marvin Clark, missing since 1926
Marvin Clark (seen with his wife, Mary) was last seen October 30, 1926 in Tigard and was never seen again. His body has not yet been found, May 2018 (Courtesy: Pam Knowles)
Pam Knowles is the great-great granddaughter of Marvin Clark, who went missing on October 30, 1926. The case is one of the oldest missing person cases in the country, May 2018 (KOIN)
Linnton Transit Company, bus and two men. Circa 1921 (Oregon Historical Society)
(Gifford Benjamin A. photographer.)
Linnton Transit Company, bus #1 and bus #2, Linnton to Portland Route. Circa 1921 (Oregon Historical Society)
(Gifford Benjamin A. photographer.)
Linnton Transit Company, bus interior. Oregon, circa 1921 Gifford, Benjamin A., photographer. (Oregon Historical Society)
An article about the disappearance of Marvin Clark in The Oregonian, November 3, 1926 (Courtesy photo)
Portland circa the 1920s (Oregon Historical Society)
Portland circa the 1920s (Oregon Historical Society)
Portland circa the 1920s (Oregon Historical Society)
Marvin Clark's home in Tigard, undated. Marvin Clark left this home on October 30, 1926 on his way to Portland and was never seen again or since. (Courtesy: Pam Knowles)
Marvin Clark was last seen October 30, 1926 in Tigard and was never seen again. His body has not yet been found, May 2018 (Courtesy: Pam Knowles)
Marvin Clark (seen with his wife, Mary) was last seen October 30, 1926 in Tigard and was never seen again. His body has not yet been found, May 2018 (Courtesy: Pam Knowles)
Overlooking the Linnton area of Portland, May 2018 (KOIN)
Marvin Clark was last seen October 30, 1926 in Tigard and was never seen again. His body has not yet been found, May 2018 (Courtesy: Pam Knowles)
Very old skeletal remains were found in the hills above Hwy 30 in 1986 (KOIN, file)
Very old skeletal remains were found in the hills above Hwy 30 in 1986 (KOIN, file)
Very old skeletal remains were found in the hills above Hwy 30 in 1986 (KOIN, file)
Very old skeletal remains were found in the hills above Hwy 30 in 1986 (KOIN, file)
Very old skeletal remains were found in the hills above Hwy 30 in 1986 (KOIN, file)
Multnomah County Sheriff's Office Sgt. Rian Hakala, April 2018 (KOIN)