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According to recent, but incorrect, USGS maps, 35 permanent bodies of snow and several tiny glaciers dotted the highest peaks of the Alps. [ 3 ] The only glaciers to survive to the 21st century were the Salmon Glacier and the Grizzly Glacier, a 15-acre (61,000 m 2 ) icefield on the north side of Thompson Peak, which showed crevasses indicating ...
The Motagua Fault, which crosses through Guatemala, is a transform boundary between the southern edge of the North American plate and the northern edge of the Caribbean plate. New Zealand's Alpine Fault is another active transform boundary. The Dead Sea Transform (DST) fault which runs through the Jordan River Valley in the Middle East.
The Trinity Alps Wilderness is a 525,627-acre (212,714 ha) designated wilderness located in northern California, roughly between Eureka and Redding. It is jointly administered by Shasta-Trinity, Klamath, and Six Rivers National Forests. About 4,623 acres (1,871 ha) are administered by the Bureau of Land Management. [1]
The boundaries of California were defined by Spanish claims of Mexico, as part of the province of Alta California. The northern boundary of Spanish claims was set at 42 degrees latitude by the Adams–Onis Treaty of 1819. [1] The states of Nevada and Utah, also originally part of Alta California, also use that line for their northern boundaries.
The Alps are often divided into Eastern, Central and Western Alps, even though the boundaries between these subdivisions are arbitrary.The division between the Eastern and Central Alps is approximately the line between St. Margrethen, Chur and Sondrio; the division between the Central and Western Alps is unclear (Pfiffner 2009, p. 25).
Map of the Shasta-Trinity National Forest and Whiskeytown–Shasta–Trinity National Recreation Area. The Shasta–Trinity National Forest is a federally designated forest in northern California, United States. It is the largest National Forest in California and is managed by the U.S. Forest Service.
While smaller groups within the Alps may be easily defined by the passes on either side, defining larger units can be problematic. A traditional divide exists between the Western Alps and the Eastern Alps, which uses the Splügen Pass (Italian: Passo dello Spluga) on the Swiss-Italian border, together with the Rhine to the north and Lake Como in the south as the defining features.
Main chain of the Alps. The main chain of the Alps, also called the Alpine divide is the central line of mountains that forms the drainage divide of the range. Main chains of mountain ranges are traditionally designated in this way, and generally include the highest peaks of a range.