deep-sea canyon
21Risks to the Glen Canyon Dam — Glen Canyon Dam viewed from inside lower Glen Canyon The Glen Canyon Dam, a concrete arch dam on the Colorado River in the U.S. state of Arizona, has been associated with a large amount of risk, most notably the risk of its siltation and failure …
22Danube Canyon — The Danube Canyon (also known as the Viteaz Canyon) is a large submarine canyon which indents the shelf in the northwestern part of the Black Sea. It developed seawards during the late Pleistocene seaward along the Danube valley. [1] The canyon… …
23Bering Sea — The Bering (or ImarpikFact|date=April 2008) Sea is a body of water in the Pacific Ocean that comprises a deep water basin (the Aleutian Basin) which rises through a narrow slope into the shallower water above the continental shelves.The Bering… …
24Blyde River Canyon — The Blyde River Canyon is a significant natural feature of South Africa, located in Mpumalanga, and forming the northern part of the Drakensberg escarpment. It is 16 miles (26 kilometers) in length and is, on average, around 2500 feet (800m) deep …
25Navarin Canyon — The Navarin Canyon is a submarine canyon in the Bering Sea. It is just as wide but less than half as deep as the Zhemchug Canyon, which is the largest canyon in the world.[1] The Navarin Canyon is the third largest to cut through the Beringian… …
26Bryce Canyon National Park — Infobox protected area | name = Bryce Canyon National Park iucn category = II caption = locator x = 60 locator y = 82 location = Garfield County and Kane County, Utah, USA nearest city = Tropic, Panguitch lat degrees = 37 lat minutes = 34 lat… …
27submarine canyon — Narrow, steep sided underwater valley cut into a continental slope. Submarine canyons resemble river canyons on land, usually having steep, rocky walls. They are found along most continental slopes. Those of the Grand Bahama Canyon, which are… …
28Maligne Canyon — [1]Maligne Canyon is a sightseeing destination located in the Jasper National Park near the community of Jasper, Alberta, Canada, and is carved into the Palliser Formation[2]. This canyon measuring over 50 feet high is located in a deep river… …
29Red Rock Canyon National Conservation Area — This article is about the National Conservation Area in Nevada. For other uses, see Red Rock Canyon. Red Rock Canyon National Conservation Area in Nevada is a 198,000 acre (801 km²) area managed by the Bureau of Land Management as part of its… …
30Smoke Hole Canyon — Smoke Hole Canyon, frequently known known just as Smoke Hole, is a rugged convert|20|mi long gorge carved by the South Branch Potomac River in eastern West Virginia, USA. It has been part of the Monongahela National Forest s Spruce Knob Seneca… …
