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The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch 3,000 miles in straight-line distance from the northernmost part of western Canada, to New Mexico in the southwestern United States. Depending on differing definitions between Canada and the U.S., its northern terminus is located either in northern British Columbia's Terminal Range south of the Liard River and east of the Trench, or in the northeastern foothills of the Brooks Range/British Mountains that face the Beaufort Sea coasts between the Canning River and the Firth River across the Alaska-Yukon border. Its southernmost point is near the Albuquerque area adjacent to the Rio Grande rift and north of the Sandia–Manzano Mountain Range. Being the easternmost portion of the North American Cordillera, the Rockies are distinct from the tectonically younger Cascade Range and Sierra Nevada, which both lie farther to its west.
The Wrangell Mountains are a high mountain range of eastern Alaska in the United States. Much of the range is included in Wrangell-Saint Elias National Park and Preserve. The Wrangell Mountains are almost entirely volcanic in origin, and they include the second and third highest volcanoes in the United States, Mount Blackburn and Mount Sanford. The range takes its name from Mount Wrangell, which is one of the largest andesite shield volcanoes in the world, and also the only presently active volcano in the range. The Wrangell Mountains comprise most of the Wrangell Volcanic Field, which also extends into the neighboring Saint Elias Mountains and the Yukon Territory in Canada.
The Ahtna are an Alaska Native Athabaskan people of the Athabaskan-speaking ethnolinguistic group. The people's homeland called Atna Nenn', is located in the Copper River area of southern Alaska, and the name Ahtna derives from the local name for the Copper River. The total population of Ahtna is estimated at around 1,427.
The Wrangell Volcanic Field is a volcanic field stretching from eastern Alaska in the United States to the southwestern Yukon Territory in Canada. The field includes the four highest volcanoes in the United States, Mount Bona, Mount Blackburn, Mount Sanford, and Mount Churchill, all of which exceed 15,000 ft in elevation. It formed as a result of subduction of the Pacific Plate beneath the North American Plate at the easternmost end of the Aleutian Trench[3].
Atna is a village in Stor-Elvdal Municipality in Innlandet county, Norway. The village is located in the Østerdalen valley between Koppang and Alvdal at the confluence of the rivers Atna and Glomma.The Rørosbanen railway will stop at Atna Station by request. The Rondane mountains, Gudbrandsdal valley, and Ringebu are nearby.
The Skeena Mountains, also known as the Skeenas, are a subrange of the Interior Mountains of northern British Columbia, Canada, essentially flanking the upper basin of the Skeena River. They lie just inland from the southern end of the Boundary Ranges of the Coast Mountains, and also of the northern end of the Kitimat Ranges. Their southern limit is described by the Bulkley River and the upper northwestern reaches of Babine and Takla Lakes, and on their northeast by the upper reaches of the Omineca River.
The Interior Mountains or Northern Interior Mountains are the semi-official names for an expansive collection of mountain ranges that comprises much of the northern half of the Canadian province of British Columbia and a large area of southern Yukon.
Atna Peaks is an eroded stratovolcano or shield volcano in the Wrangell Mountains of eastern Alaska. It is located in Wrangell–Saint Elias National Park about 6 miles (9.7 km) east of Mount Blackburn, the second-highest volcano in the United States, and just south of the massive Nabesna Glacier. Because the mountain is almost entirely covered in glaciers, no geological studies have been done, but published references state and the geological map shows that the mountain is an old eroded volcanic edifice.
Regal Mountain is an eroded stratovolcano or shield volcano in the Wrangell Mountains of eastern Alaska. It is located in Wrangell-Saint Elias National Park about 19 mi (31 km) east of Mount Blackburn, the second highest volcano in the United States, and southeast of the massive Nabesna Glacier. Regal Mountain is the third highest thirteener in Alaska, ranking just behind its neighbor, Atna Peaks. Because the mountain is almost entirely covered in glaciers, no geological studies have been done, but published references state and the geological map shows that the mountain is an old eroded volcanic edifice.
The Ahtna are an Alaska Native Athabaskan people of Alaska.
This article comprises three sortable tables of major mountain peaks of Canada.
The Kitimat River is a river in the Canadian province of British Columbia. It originates in the Kitimat Ranges, near the sources of the Dala River, Kemano River, Atna River, and Clore River. It flows in a curve north, then west, then south, emptying into Kitimat Arm at the head of Douglas Channel, at the town of Kitimat.
Shedin Peak is the highest mountain in the Atna Range and in the Skeena Mountains of northern British Columbia, Canada, located 77 km (48 mi) north of Hazelton at the head of Rosenthal Creek. It has a prominence of 1,798 m (5,899 ft), created by the Bear-Driftwood Pass.
Lake Atna was a prehistoric proglacial lake that initially formed approximately 58 ka in the Copper River Basin, an area roughly centered around 245 km (152 mi) northeast of modern-day Anchorage, Alaska. The lake formed, and dispersed, during the Wisconsin glaciation. The lake existed in several forms, with several prominent shorelines observable in modern geology. At its greatest extent, the lake surface area was approximately half the size of modern-day Lake Ontario, and possibly much larger. The basin of the lake lay within an area bordered by the Alaska Range to the north, the Wrangell Mountains to the east, the Chugach Mountains to the south, and the Talkeetna Mountains to the west.
Atna Peak is a mountain in British Columbia, Canada, located 57 km (35 mi) northwest of Howson Peak and 18 km (11 mi) southeast of Morice Lake.
References
- "Atna Range". BC Geographical Names .
- "Atna Range". Canadian Mountain Encyclopedia. Bivouac.com.
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