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Perth Canyon is a submarine canyon located on the edge of the continental shelf off the coast of Perth, Western Australia, approximately 22 kilometres (14 mi) west of Rottnest Island. It was carved by the Swan River , likely before the Tertiary , when this part of the continental shelf was above sea level.
Documents posted on June 6, 2012, by Public Employees for Environmental Responsibility (PEER) allege that although the Petroglyph National Monument is a valuable resource and location for the City of Albuquerque and the state of New Mexico, the historical resources contained within is in danger because of the City and the National Park Service ...
Ah-Shi-Sle-Pah Wilderness is located in San Juan County, New Mexico, between Chaco Canyon and the De-Na-Zin Wilderness.Its name is a phonetic transliteration of Navajo "áshįįh łibá" meaning "salt, it is grey (grey salt)".
The geology of New Mexico includes bedrock exposures of four physiographic provinces, with ages ranging from almost 1800 million years to nearly the present day. Here the Great Plains , southern Rocky Mountains , Colorado Plateau , and Basin and Range Provinces meet, giving the state great geologic diversity.
The Pierre Shale is a geologic formation or series in the Upper Cretaceous which occurs east of the Rocky Mountains in the Great Plains, from Pembina Valley in Canada [2] to New Mexico. The Pierre Shale was described by Meek and Hayden in 1862 in the Proceedings of the Academy of Sciences (Philadelphia).
Geology of the Navajo Country: A Reconnaissance of Parts of Arizona, New Mexico and Utah. U.S. Government Printing Office. pp. 23–31. ISBN 978-0341722533; Lucas, Spencer G. (2017). "Triassic-Jurassic stratigraphy in southwestern Colorado" (PDF). New Mexico Geological Society Field Conference Series. 68: 149–158
Organ Mountains. The 496,330-acre (200,860 ha) monument is located in the Mesilla Valley in southern New Mexico, surrounding the city of Las Cruces in Doña Ana County.The protected area includes several mountain ranges of the Chihuahuan Desert.
Oliver Lee Memorial State Park is a state park of New Mexico, United States, whose two tracts preserve a canyon in the Sacramento Mountains and Oliver Lee's historic 19th-century ranch house. The 640-acre (260 ha) park is located in Otero County at an elevation of 4,363 feet (1,330 m). [ 1 ]