Zion-Mount Carmel Highway, Pine Creek Bridge, Spanning Pine Creek on Z...
Significance: Built of native sandstone and ashlar masonry, and designed to complement its natural surroundings, this bridge is a superb example of "National Park Service-Rustic" stone bridge engineering. It i... More
Irrigation Canals in the Uinta Basin, Rocky Point Canal, Duchesne, Duc...
Significance: The Rocky Point Canal is significant for its importance in supplying irrigation water to farms near the City of Duchesne. With the failure of the Blue Bench Irrigation District #1 (Knight Ditch),... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Irrigation Canals in the Uinta Basin, Deep Creek Canal, Duchesne, Duch...
Significance: The Deep Creek Canal is the fourth largest of all project canals in terms of acres irrigated. Due to this fact, as well as the presence of fertile soils south of Tridell and west of LaPoint, it i... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Irrigation Canals in the Uinta Basin, Knight Ditch, Duchesne, Duchesne...
Significance: The Knight Ditch is significant in Uinta Basin irrigation history for several reasons. The remaining flumes are excellent examples of canal building technology in the early 20th century. Vandali... More
Irrigation Canals in the Uinta Basin, Knight Ditch, Duchesne, Duchesne...
Significance: The Knight Ditch is significant in Uinta Basin irrigation history for several reasons. The remaining flumes are excellent examples of canal building technology in the early 20th century. Vandali... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Irrigation Canals in the Uinta Basin, Knight Ditch, Duchesne, Duchesne...
Significance: The Knight Ditch is significant in Uinta Basin irrigation history for several reasons. The remaining flumes are excellent examples of canal building technology in the early 20th century. Vandali... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Irrigation Canals in the Uinta Basin, Rocky Point Canal, Duchesne, Duc...
Significance: The Rocky Point Canal is significant for its importance in supplying irrigation water to farms near the City of Duchesne. With the failure of the Blue Bench Irrigation District #1 (Knight Ditch),... More
Irrigation Canals in the Uinta Basin, Rocky Point Canal, Duchesne, Duc...
Significance: The Rocky Point Canal is significant for its importance in supplying irrigation water to farms near the City of Duchesne. With the failure of the Blue Bench Irrigation District #1 (Knight Ditch),... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Irrigation Canals in the Uinta Basin, Deep Creek Canal, Duchesne, Duch...
Significance: The Deep Creek Canal is the fourth largest of all project canals in terms of acres irrigated. Due to this fact, as well as the presence of fertile soils south of Tridell and west of LaPoint, it i... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Irrigation Canals in the Uinta Basin, Whiterocks & Ouray Valley Canal,...
Significance: The Whiterocks and Ouray Valley Canal is significant for its impact on a large area of the Uinta Basin. The canal is one of the longest in the basin and has one of the largest carrying capacities... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Irrigation Canals in the Uinta Basin, Ouray Park Canal, Duchesne, Duch...
Significance: The Ouray Park Canal is one of the largest canals in the Uinta Basin, both in terms of volume and overall length. Correspondingly, it has had one of the largest impacts upon the agricultural deve... More
Irrigation Canals in the Uinta Basin, Rocky Point Canal, Duchesne, Duc...
Significance: The Rocky Point Canal is significant for its importance in supplying irrigation water to farms near the City of Duchesne. With the failure of the Blue Bench Irrigation District #1 (Knight Ditch),... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Pine Creek Bridge, Spanning Pine Creek on Z...
Significance: Built of native sandstone and ashlar masonry, and designed to complement its natural surroundings, this bridge is a superb example of "National Park Service-Rustic" stone bridge engineering. It i... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Irrigation Canals in the Uinta Basin, Knight Ditch, Duchesne, Duchesne...
Significance: The Knight Ditch is significant in Uinta Basin irrigation history for several reasons. The remaining flumes are excellent examples of canal building technology in the early 20th century. Vandali... More
Irrigation Canals in the Uinta Basin, Whiterocks & Ouray Valley Canal,...
Significance: The Whiterocks and Ouray Valley Canal is significant for its impact on a large area of the Uinta Basin. The canal is one of the longest in the basin and has one of the largest carrying capacities... More
Irrigation Canals in the Uinta Basin, Whiterocks & Ouray Valley Canal,...
Significance: The Whiterocks and Ouray Valley Canal is significant for its impact on a large area of the Uinta Basin. The canal is one of the longest in the basin and has one of the largest carrying capacities... More
Irrigation Canals in the Uinta Basin, Whiterocks & Ouray Valley Canal,...
Significance: The Whiterocks and Ouray Valley Canal is significant for its impact on a large area of the Uinta Basin. The canal is one of the longest in the basin and has one of the largest carrying capacities... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Irrigation Canals in the Uinta Basin, Ouray Park Canal, Duchesne, Duch...
Significance: The Ouray Park Canal is one of the largest canals in the Uinta Basin, both in terms of volume and overall length. Correspondingly, it has had one of the largest impacts upon the agricultural deve... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Irrigation Canals in the Uinta Basin, Deep Creek Canal, Duchesne, Duch...
Significance: The Deep Creek Canal is the fourth largest of all project canals in terms of acres irrigated. Due to this fact, as well as the presence of fertile soils south of Tridell and west of LaPoint, it i... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Irrigation Canals in the Uinta Basin, Knight Ditch, Duchesne, Duchesne...
Significance: The Knight Ditch is significant in Uinta Basin irrigation history for several reasons. The remaining flumes are excellent examples of canal building technology in the early 20th century. Vandali... More
Irrigation Canals in the Uinta Basin, Knight Ditch, Duchesne, Duchesne...
Significance: The Knight Ditch is significant in Uinta Basin irrigation history for several reasons. The remaining flumes are excellent examples of canal building technology in the early 20th century. Vandali... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Irrigation Canals in the Uinta Basin, Deep Creek Canal, Duchesne, Duch...
Significance: The Deep Creek Canal is the fourth largest of all project canals in terms of acres irrigated. Due to this fact, as well as the presence of fertile soils south of Tridell and west of LaPoint, it i... More
Irrigation Canals in the Uinta Basin, Knight Ditch, Duchesne, Duchesne...
Significance: The Knight Ditch is significant in Uinta Basin irrigation history for several reasons. The remaining flumes are excellent examples of canal building technology in the early 20th century. Vandali... More
Irrigation Canals in the Uinta Basin, Knight Ditch, Duchesne, Duchesne...
Significance: The Knight Ditch is significant in Uinta Basin irrigation history for several reasons. The remaining flumes are excellent examples of canal building technology in the early 20th century. Vandali... More
Irrigation Canals in the Uinta Basin, Whiterocks & Ouray Valley Canal,...
Significance: The Whiterocks and Ouray Valley Canal is significant for its impact on a large area of the Uinta Basin. The canal is one of the longest in the basin and has one of the largest carrying capacities... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Irrigation Canals in the Uinta Basin, Rhodes Canal, Duchesne, Duchesne...
Significance: Within a year after the Ute Reservation was opened for homestead entry in 1905, Thomas and Martha Rhoads built a homestead located about a mile north of the confluence of the west and north forks ... More
Irrigation Canals in the Uinta Basin, Rhodes Canal, Duchesne, Duchesne...
Significance: Within a year after the Ute Reservation was opened for homestead entry in 1905, Thomas and Martha Rhoads built a homestead located about a mile north of the confluence of the west and north forks ... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Irrigation Canals in the Uinta Basin, Jepp Thomas Canal, Duchesne, Duc...
Significance: One of the first tasks that the early homesteaders of the Tabiona Valley needed to accomplish in order to survive was the construction of irrigation canals. The structures found on the Jepp Thoma... More
Irrigation Canals in the Uinta Basin, Deep Creek Canal, Duchesne, Duch...
Significance: The Deep Creek Canal is the fourth largest of all project canals in terms of acres irrigated. Due to this fact, as well as the presence of fertile soils south of Tridell and west of LaPoint, it i... More
Irrigation Canals in the Uinta Basin, Deep Creek Canal, Duchesne, Duch...
Significance: The Deep Creek Canal is the fourth largest of all project canals in terms of acres irrigated. Due to this fact, as well as the presence of fertile soils south of Tridell and west of LaPoint, it i... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Irrigation Canals in the Uinta Basin, Knight Ditch, Duchesne, Duchesne...
Significance: The Knight Ditch is significant in Uinta Basin irrigation history for several reasons. The remaining flumes are excellent examples of canal building technology in the early 20th century. Vandali... More
Irrigation Canals in the Uinta Basin, Whiterocks & Ouray Valley Canal,...
Significance: The Whiterocks and Ouray Valley Canal is significant for its impact on a large area of the Uinta Basin. The canal is one of the longest in the basin and has one of the largest carrying capacities... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Irrigation Canals in the Uinta Basin, Rocky Point Canal, Duchesne, Duc...
Significance: The Rocky Point Canal is significant for its importance in supplying irrigation water to farms near the City of Duchesne. With the failure of the Blue Bench Irrigation District #1 (Knight Ditch),... More
Irrigation Canals in the Uinta Basin, Rocky Point Canal, Duchesne, Duc...
Significance: The Rocky Point Canal is significant for its importance in supplying irrigation water to farms near the City of Duchesne. With the failure of the Blue Bench Irrigation District #1 (Knight Ditch),... More
Irrigation Canals in the Uinta Basin, Rhodes Canal, Duchesne, Duchesne...
Significance: Within a year after the Ute Reservation was opened for homestead entry in 1905, Thomas and Martha Rhoads built a homestead located about a mile north of the confluence of the west and north forks ... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Irrigation Canals in the Uinta Basin, Rocky Point Canal, Duchesne, Duc...
Significance: The Rocky Point Canal is significant for its importance in supplying irrigation water to farms near the City of Duchesne. With the failure of the Blue Bench Irrigation District #1 (Knight Ditch),... More
Irrigation Canals in the Uinta Basin, Rhodes Canal, Duchesne, Duchesne...
Significance: Within a year after the Ute Reservation was opened for homestead entry in 1905, Thomas and Martha Rhoads built a homestead located about a mile north of the confluence of the west and north forks ... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Zion-Mount Carmel Highway, Springdale, Washington County, UT
Significance: This approximately 10-mile park section of a 25-mile road is of great scenic interest and retains structural integrity. The conception, design, and construction of this road was an artistic achie... More
Irrigation Canals in the Uinta Basin, Jepp Thomas Canal, Duchesne, Duc...
Significance: One of the first tasks that the early homesteaders of the Tabiona Valley needed to accomplish in order to survive was the construction of irrigation canals. The structures found on the Jepp Thoma... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Irrigation Canals in the Uinta Basin, Knight Ditch, Duchesne, Duchesne...
Significance: The Knight Ditch is significant in Uinta Basin irrigation history for several reasons. The remaining flumes are excellent examples of canal building technology in the early 20th century. Vandali... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More