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Glacier Bay Basin in southeastern Alaska, in the United States, encompasses the Glacier Bay and surrounding mountains and glaciers, which was first proclaimed a U.S. National Monument on February 25, 1925, and which was later, on December 2, 1980, enlarged and designated as the Glacier Bay National Park and Preserve under the Alaska National Interest Lands Conservation Act, covering an area of ...
Coordinates: 41°30′37″N 87°3′29″W. Valparaiso Moraine at Mink Lake, north of Valparaiso, Indiana. The Valparaiso Moraine is a recessional moraine (a land form left by receding glaciers) that forms an immense U around the southern Lake Michigan basin in North America. It is a band of hilly terrain composed of glacial till and sand.
Glacier Bay National Park and Preserve is an national park of the United States located in Southeast Alaska west of Juneau. President Calvin Coolidge proclaimed the area around Glacier Bay a national monument under the Antiquities Act on February 26, 1925. [4] Subsequent to an expansion of the monument by President Jimmy Carter in 1978, the ...
Laurentide ice sheet. The maximum extent of glacial ice in the north polar area during the Pleistocene period included the vast Laurentide ice sheet in eastern North America. The Laurentide ice sheet was a massive sheet of ice that covered millions of square miles, including most of Canada and a large portion of the Northern United States ...
Location and area. The term "Nipissing Great Lakes" is applied to the waters of the upper three Great Lakes during the stage. The glacier had receded completely from the Great Lakes Basin. The plural form is used to denote that each basin was a separate unit, with a narrow strait connecting each. Each basin stood at the same elevation and thus ...
Lake Algonquin was a prehistoric proglacial lake that existed in east-central North America at the time of the last ice age. Parts of the former lake are now Lake Huron, Georgian Bay, Lake Superior, Lake Michigan, Lake Nipigon, and Lake Nipissing. The lake varied in size, but it was at its biggest during the post-glacial period and gradually ...
Quebec, a portion of whose lands drain into the St. Lawrence Basin, is a signatory to the Great Lakes Charter of 1985, the 2001 Charter Annex, and the Agreements of 2005. [2] While not a part of the Great Lakes Basin, Quebec's position along the Saint Lawrence Seaway makes it a partner in water resource management with Ontario and the eight US ...
Great Basin: Nevada: October 27, 1986: 77,180.00 acres (312.3 km 2) 142,115 Based around Nevada's second tallest mountain, Wheeler Peak, Great Basin National Park protects 5,000-year-old bristlecone pines, a rock glacier, and the limestone Lehman Caves. Due to its remote location, the park is home to some of the country's darkest night skies.