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Wildlife crossing is the umbrella term encompassing underpasses, overpasses, ecoducts, green bridges, amphibian/small mammal tunnels, and wildlife viaducts (Bank et al. 2002). All of these structures are designed to provide semi-natural corridors above and below roads so that animals can safely cross without endangering themselves and motorists ...
Goat Canyon Trestle is a wooden trestle in San Diego County, California. [1] At a length of 597–750 feet (182–229 m), it is the world's largest all-wood trestle. [1] [8] [10] [11] Goat Canyon Trestle was built in 1933 as part of the San Diego and Arizona Eastern Railway, after one of the many tunnels through the Carrizo Gorge collapsed.
A notable feat of railroad engineering, it is the world's only wye with two legs on bridges that meet in a tunnel. [1] The west and north legs of the wye are on bridges over Spanish Creek, and the southeast leg runs through a tunnel (Tunnel No. 32). [2] Just to the northwest, where the two bridged legs join, is Tunnel No. 31.
The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.
Welcome to the wonderful world of adaptive reuse!Our team at Bored Panda has collected some of the most creative and impressive photos of buildings being repurposed for something entirely ...
The Paw Paw Tunnel is a 3,118-foot-long (950 m) canal tunnel on the Chesapeake and Ohio Canal (C&O) in Allegany County, Maryland. [1] Located near Paw Paw, West Virginia, it was built to bypass the Paw Paw Bends, a six-mile (9.7 km) stretch of the Potomac River containing five horseshoe-shaped bends.
The dramatic collapse of Baltimore’s Francis Scott Key bridge earlier this year was a stark reminder that some of the U.S.’s most critical pieces of infrastructure are also the most vulnerable.
These mammal tracks were left by creatures like carnivorans, peccaries and rhinoceros. Mastodon tracks have also been reported, but may represent misidentifications. [1] 1902. Dinosaur footprints were discovered at Fisher's Quarry, near Graterford, Pennsylvania. These tracks are now classified in the ichnogenus Atreipus. [12] 1903