(Salt Lake Tribune archives)
Alton Frazier, a Utah official, explores cracks on the toe of the Thistle landslide in April 1983.
Tribune file photo
Sen. Jake Garn, R-Utah, stands on the new dam that holds back a lake on top of the town of Thistle, and surveys
(Salt Lake Tribune archives)
Crews work on a massive landslide in Spanish Fork Canyon in April 1983.
(Salt Lake Tribune archives)
An unidentified man measures the water level that submerged Thistle, Utah after a massive landslide
(Salt Lake Tribune archives)
Crews work on a massive landslide in Spanish Fork Canyon that covered the town of Thistle in April 1
(Salt Lake Tribune archives)
Aftermath of the flood of '83 on 400 South between State and Main Street in Salt Lake.
(Salt Lake Tribune archives)
Saltair Resort during the flood of 1983.
(Salt Lake Tribune archives)
Volunteer workers pass sandbags in an effort to control flooding in City Creek Canyon during the flo
(Salt Lake Tribune archives)
Flooding waters in Bountiful in 1983.
(Salt Lake Tribune archives)
Sandbagging State Street in Salt Lake during flooding in 1983.
(Salt Lake Tribune archives)
This is the massive mudslide that doomed Thistle in April of 1983.
(Salt Lake Tribune archives)
A large mudslide above Thistle, in Spanish Fork Canyon, was caused by massive flooding in Utah County
(Salt Lake Tribune archives)
East High School student Michael C. Giddings navigates the upper headwaters of State Street during fl
(Salt Lake Tribune archives)
Flooded Utah Lake State Park in 1983.
Al Hartmann | The Salt Lake Tribune
Unidentified women try fishing in a temporary river along 400 South just off State Street i
(Salt Lake Tribune archives)
Alton Frazier, a Utah official, explores cracks on the toe of the Thistle landslide in April 1983.
Tribune file photo
Sen. Jake Garn, R-Utah, stands on the new dam that holds back a lake on top of the town of Thistle, and surveys the newly created valley.
(Salt Lake Tribune archives)
Crews work on a massive landslide in Spanish Fork Canyon in April 1983.
(Salt Lake Tribune archives)
An unidentified man measures the water level that submerged Thistle, Utah after a massive landslide in April 1983.
(Salt Lake Tribune archives)
Crews work on a massive landslide in Spanish Fork Canyon that covered the town of Thistle in April 1983.
(Salt Lake Tribune archives)
Aftermath of the flood of '83 on 400 South between State and Main Street in Salt Lake.
(Salt Lake Tribune archives)
Saltair Resort during the flood of 1983.
(Salt Lake Tribune archives)
Volunteer workers pass sandbags in an effort to control flooding in City Creek Canyon during the flood of 1983 in Salt Lake.
(Salt Lake Tribune archives)
Flooding waters in Bountiful in 1983.
(Salt Lake Tribune archives)
Sandbagging State Street in Salt Lake during flooding in 1983.
(Salt Lake Tribune archives)
This is the massive mudslide that doomed Thistle in April of 1983.
(Salt Lake Tribune archives)
A large mudslide above Thistle, in Spanish Fork Canyon, was caused by massive flooding in Utah County in April of 1983.
(Salt Lake Tribune archives)
East High School student Michael C. Giddings navigates the upper headwaters of State Street during flooding in 1983.
(Salt Lake Tribune archives)
Flooded Utah Lake State Park in 1983.
Al Hartmann | The Salt Lake Tribune
Unidentified women try fishing in a temporary river along 400 South just off State Street in downtown Salt Lake City in late May 1983 during massive flooding.