Devils Postpile National Monument — IUCN Category III (Natural Monument) … Wikipedia
Devils Postpile National Monument — Monument national Devils Postpile Catégorie UICN V (paysage terrestre/marin protégé) Identifiant 22507 Pays … Wikipédia en Français
Devils Tower National Monument — Devils Tower La Devils Tower. Géographie Altitude 1 558 m Massif Black Hills Coordonnées … Wikipédia en Français
Devils Tower — National Monument Devils Tower La Devils Tower. Géographie Altitude 1 558 m Massif … Wikipédia en Français
Devils Tower National Park — Devils Tower National Monument Devils Tower La Devils Tower. Géographie Altitude 1 558 m Massif … Wikipédia en Français
Geology of the Yosemite area — The exposed geology of the Yosemite area includes primarily granitic rocks with some older metamorphic rock. The first rocks were laid down in Precambrian times, when the area around Yosemite National Park was on the edge of a very young North… … Wikipedia
Hetch Hetchy Valley — is a glacial valley in Yosemite National Park in California. It is currently completely flooded by O Shaughnessy Dam, forming the Hetch Hetchy Reservoir. The Tuolumne River fills the reservoir. Upstream from the valley lies the Grand Canyon of… … Wikipedia
Volcanic plug — A volcanic plug, also called a volcanic neck or lava neck, is a volcanic landform created when lava hardens within a vent on an active volcano. When forming, a plug can cause an extreme build up of pressure if volatile charged magma is trapped… … Wikipedia
List of National Monuments of the United States — The United States has 101 protected areas known as national monuments. The President of the United States can establish a national monument by executive order, and the United States Congress can by legislation. The Antiquities Act of 1906… … Wikipedia
Список национальных памятников США — В Соединённых Штатах Америки в настоящий момент имеется сто охраняемых территорий, имеющих статус национального монумента. Федеральные агентства и министерства Сто национальных монументов США управляются шестью федеральными агентствами в рамках… … Википедия
