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Interior of Amboy Crater showing a lava lake and the distant breach in the cinder cone rim. Interior of Amboy Crater from near breach showing lava lakes. Amboy Crater is a dormant cinder cone volcano that rises above a 70-square-kilometer (27 sq mi) lava field in the eastern Mojave Desert of southern California, within Mojave Trails National Monument.
Cima volcanic field is a volcanic field in San Bernardino County, California, close to the border with Nevada. [3] [4] The volcanic field covers a surface area of 600 km 2 (230 sq mi) within the Mojave National Preserve west of the Cima Dome and consists of about 40 volcanic cones with about 60 lava flows.
Mojave Trails National Monument is a large U.S. National Monument located in the state of California between Interstates 15 and 40. [1] The park was created to preserve a wide variety of geological and cultural features including several titular trails - the Old Spanish Trail , the World War II -era Desert Training Center and Route 66 .
The National Natural Landmarks (NNL) Program recognizes and encourages the conservation of outstanding examples of the natural history of the United States. [1] It is the only national natural areas program that identifies and recognizes the best examples of biological and geological features in both public and private ownership.
Name Image Date Location County Ownership Description Amboy Crater: May 1973: San Bernardino: Federal (Bureau of Land Management) A 6,000-year-old volcanic cinder cone, made up of pahoehoe, just off historic U.S. Highway 66.
Nevada National Natural Landmarks (clickable map) Name Image Date Location County Ownership Description Berlin–Ichthyosaur State Park: 1973 ... Lunar Crater: 1973
National Natural Landmarks of Nevada as designated by the National Park Service The main article for this category is National Natural Landmark . See also: List of National Natural Landmarks
Guidelines for treating resistant hypertension have been published in the UK [45] and US. [46] It has been proposed that a proportion of resistant hypertension may be the result of chronic high activity of the autonomic nervous system, known as "neurogenic hypertension". [47] Low adherence to treatment is an important cause of resistant ...