Rocky Glen Park — Pennsylvania Historical Marker signification … Wikipedia
Rocky Mountain Trench — The Rocky Mountain Trench, or the Trench or The Valley of a Thousand Peaks, is a large valley in the northern part of the Rocky Mountains. It is both visually and cartographically a striking physiographic feature extending approximately… … Wikipedia
Dam failure — The reservoir emptying through the failed Teton Dam A dam is a barrier across flowing water that obstructs, directs or slows down the flow, often creating a reservoir, lake or impoundments. Most dams have a section called a spillway or weir over… … Wikipedia
Cuyahoga Valley National Park — IUCN Category II (National Park) Bedrock outcrops, such as this one, can be found throughout the park … Wikipedia
O'Shaughnessy Dam — This article concerns the dam in the Sierra Nevada mountains. For the one near Columbus, Ohio see O Shaughnessy Dam (Ohio). O Shaughnessy Dam O Shaughnessy Dam in Hetch Hetchy Valley Country United States … Wikipedia
Munzur Valley National Park — Munzur Vadisi Milli Parkı IUCN Category II (National Park) Landscape at … Wikipedia
Morelos Dam — After a 1944 United States Mexico Treaty the Morelos Dam was built in 1950 across the Colorado River. It is located about 1 mile (1.6 km) below the junction of the California border and the Colorado River between the town of Los Algodones,… … Wikipedia
Risks 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 … Wikipedia
Davis Dam — Official name Davis Dam Location Clark County, Nevada / Mohave County, Arizona, USA … Wikipedia
Côa Valley Paleolithic Art — Prehistoric Rock Art Site of the Côa Valley (Núcleos de arte rupestre do Vale do Côa) Prehistoric art (Arte Rupestre) … Wikipedia
