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Aerial Image of Thistle on April 15, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Road Damage Caused by the Thistle Mudslide on April 15, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Thistle Mudslide Damage on April 15, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Aerial View of Flooding at Thistle on April 17, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Aerial View of Early Flooding at the Highway 6/Highway 89 Junction on April 19, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Aerial View of the Thistle Mudslide on April 19, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Summary fact sheet of the Highway 89 route through Logan Canyon, November 1986
Summary fact sheet of the Highway 89 route through Logan Canyon, November 1986
Study of U.S. Highway through Logan Canyon project introduction
Project introduction of the study of U.S. Highway 89 through Logan Canyon by the Utah Department of Transportation.
Thistle Flood With Highway 89 Submerged on April 18, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Thistle School Building Ruins on June 21, 1985
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Glen Canyon Dam Bridge construction
Looking downstream at the bridge from a point on the canyon floor just south of the right diversion tunnel's north portal.
Glen Canyon Dam construction
Image of both the Glen Canyon Dam and the Glen Canyon Dam Bridge under construction.
Glen Canyon Dam Bridge
Image of the completed Glen Canyon Dam Bridge, which carries Highway 89 over the Colorado River.
Glen Canyon Dam Bridge Dedication
Aerial view of the Glen Canyon Bridge during its dedication ceremony.
U.S. 89 at the mouth of Weber Canyon
Image of new railroad structures on Highway 89 at the mouth of Weber Canyon.
US 89-91 at North Salt Lake City
Image of US 89-91 in North Salt Lake, looking north with Beck's Springs Overpass on the left, and Philips Petroleum Refinery in the foreground.
Painting and Striping of U.S. 89
Donald Smith (left) and Clive Norman painting and striping US 89-91 in Orem (looking north).
Summary fact sheet Highway 89, 1986
Four page fact sheet of the Logan Canyon Study from November 1986 by Utah Department of Transportation and CH2M HILL summarizing the area's transportation needs, roadway conditions, safety, and maintenance. Also included are graphs and tables…
Underwater Thistle Road Sign on April 23, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Thistle School Building on April 19, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Buildings Being Flooded at Thistle on April 19, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Cliff View of Thistle Lake on May 04, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Thistle Lake on May 04, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Railroad Tunnel Construction Near Thistle on May 8, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Thistle School Building Underwater on May 13, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Railroad Diversion Tunnel Being Constructed Near Thistle on May 13, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Drainage Pipes at Thistle Lake on May 13, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Night Railroad Diversion Tunnel Construction Near Thistle on May 13, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Building Roof Above Water at Thistle Lake on May 13, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Thistle Lake Drainage Pumps on May 16, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Railroad Diversion Tunnel Night Construction Near Thistle on May 16, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Aerial Image of Thistle Lake on May 17, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Aerial Image of the Thistle Mudslide on May 17, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Aerial Image of the Thistle Mudslide on May 17, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Thistle Lake Water Diversion on May 18, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Halls Falls at Thistle Lake on May 24, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Thistle Road Closure Sign on May 24, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Thistle Flood Diversion Waterfall on May 24, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Historic Photograph of the Railroad at Thistle
An image from a collection that documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the…
Historic Photograph of the Thistle Townsite
An image from a collection that documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the…
Historic Photograph of the Junction House at Thistle
An image from a collection that documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the…
Historic Photograph of the Schoolhouse at Thistle
Image of the red sandstone schoolhouse that was the second building to be constructed a the Thistle Junction. Construction began in 1890 and was completed in 1893.
Flooded Buildings Near Thistle on August 12, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Flood Wreckage at Thistle Lake on May 29, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Thistle Lake on May 29, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…
Flood Debris at Thistle Lake on April 18, 1983
This image documents the Thistle Flood that began in April 1983 with a massive mud slide that created an earthen dam, blocking the flow of the Spanish Fork River. In addition to severing Highway 89 as a transportation route, the dam destroyed the…