The Great Basin is the largest area of contiguous endorheic watersheds in North America. It spans nearly all of Nevada, much of Oregon and Utah, and portions of California, Idaho, and Wyoming. It is noted for both its arid climate and the basin and range topography that varies from the North American low point at Badwater Basin to the highest point of the contiguous United States, less than 100 miles (160 km) away at the summit of Mount Whitney. The region spans several physiographic divisions, biomes, ecoregions, and deserts.
The Wasatch Range is a mountain range in the western United States that runs about 160 miles (260 km) from the Utah-Idaho border south to central Utah. It is the western edge of the greater Rocky Mountains, and the eastern edge of the Great Basin region. The northern extension of the Wasatch Range, the Bear River Mountains, extends just into Idaho, constituting all of the Wasatch Range in that state.
The Great Basin Desert is part of the Great Basin between the Sierra Nevada and the Wasatch Range. The desert is a geographical region that largely overlaps the Great Basin shrub steppe defined by the World Wildlife Fund, and the Central Basin and Range ecoregion defined by the U.S. Environmental Protection Agency and United States Geological Survey. It is a temperate desert with hot, dry summers and snowy winters. The desert spans a large part of the state of Nevada, and extends into western Utah, eastern California, and Idaho. The desert is one of the four biologically defined deserts in North America, in addition to the Mojave, Sonoran, and Chihuahuan Deserts.
The Uinta Mountains are an east-west trending chain of mountains in northeastern Utah extending slightly into southern Wyoming in the United States. As a subrange of the Rocky Mountains, they are unusual for being the highest range in the contiguous United States running east to west, and lie approximately 100 miles (160 km) east of Salt Lake City. The range has peaks ranging from 11,000–13,528 feet (3,353–4,123 m), with the highest point being Kings Peak, also the highest point in Utah. The Mirror Lake Highway crosses the western half of the Uintas on its way to Wyoming.
Mount Timpanogos, often referred to as Timp, is the second highest mountain in Utah's Wasatch Range. Timpanogos rises to an elevation of 11,752 ft (3,582 m) above sea level in the Uinta-Wasatch-Cache National Forest. With 5,270 ft (1,610 m) of topographic prominence, Timpanogos is the 47th-most prominent mountain in the contiguous United States.
Wheeler Peak is the tallest mountain in the Snake Range and in White Pine County, in Nevada, United States. The summit elevation of 13,065 feet (3,982 m) makes it the second-highest peak in Nevada, just behind Boundary Peak. With a topographic prominence of 7,563 feet (2,305 m), Wheeler Peak is the most topographically prominent peak in White Pine County and the second-most prominent peak in Nevada, just behind Mount Charleston. The mountain is located in Great Basin National Park and was named for George Wheeler, leader of the Wheeler Survey of the late 19th century.
The Sheep Range is located north of Las Vegas, Nevada in the United States. It is found in both Clark and Lincoln Counties in the Desert National Wildlife Refuge. The mountains reach a peak at Hayford Peak, 9,912 feet (3,021 m) above sea level between the Las Vegas Range to the east and the Desert Range to the west. The Sheep Range lies in a generally north-south direction.
The geography of the U.S. State of Colorado is diverse, encompassing both rugged mountainous terrain, vast plains, desert lands, desert canyons, and mesas. In 1861, the United States Congress defined the boundaries of the new Territory of Colorado exclusively by lines of latitude and longitude, stretching from 37°N to 41°N latitude, and from 102°02'48"W to 109°02'48"W longitude. Starting in 1868, official surveys demarcated the boundaries, deviating from the parallels and meridians in several places. Later surveys attempted to correct some of these mistakes but in 1925 the U.S. Supreme Court affirmed that the earlier demarcation was the official boundary. The borders of Colorado are now officially defined by 697 boundary markers connected by straight boundary lines. Colorado, Wyoming, and Utah are the only states that have their borders defined solely by straight boundary lines with no natural features. The southwest corner of Colorado is the Four Corners Monument at 36°59'56"N, 109°2'43"W. This is the only place in the United States where four states meet: Colorado, New Mexico, Arizona, and Utah.
The Tushar Mountains are the third highest mountain range in Utah after the Uinta Mountains and the La Sal Range. Located in the Fishlake National Forest, Delano Peak, 12,174 ft NAVD 88, is the highest point in both Beaver and Piute counties and has a prominence of 4,689 ft. Delano Peak is named for Columbus Delano (1809–1896), Secretary of the Interior during the Grant administration. The Tushars receive an ample amount of snow annually even though they are situated within the rainshadow of the Sierra Mountain Range located in California and the Snake Range located in Nevada.
The Mountain Home Range is a north-south trending mountain range in western Beaver County in southwest Utah, United States. It is part of the Basin and Range Province. It is bound by Hamlin Valley to the west, Snake Valley to the north, Pine Valley to the east, and trends into the Indian Peak Range to the south. Collectively, the Mountain Home Range and Indian Peak Range are known as the Needle Mountains due to their jagged nature.
The Mountain States form one of the nine geographic divisions of the United States that are officially recognized by the United States Census Bureau. It is a subregion of the Western United States.
Humpy Peak is a peak located in the Uinta Mountain Range in northern Utah. It is approximately 27.56 miles (44 km) south of Evanston, Wyoming and 21.29 miles (34 km) east of Coalville, Utah. The summit has an elevation of 10,875 feet (3,315 m).
The San Francisco Mountains are a 20-mile-long (32 km) mountain range located in north‑central Beaver County, Utah, United States that extend into central-south Millard County.
The Albion Mountains are a mountain range in the U.S. states of Idaho (~99%) and Utah (~1%), spanning Cassia County, Idaho and barely reaching into Box Elder County, Utah. The highest point in the range is Cache Peak at 10,339 feet (3,151 m), and the range is a part of the Great Basin Divide and the Basin and Range Province. Most of the mountains are part of the Albion Division of the Minidoka Ranger District of Sawtooth National Forest.
The Black Pine Mountains are a mountain range in the U.S. states of Idaho (~65%) and Utah (~35%), spanning Cassia County, Idaho and reaching into Box Elder County, Utah. The highest point in the range is known as Black Pine Mountains High Point, sometimes referred to as Black Peak, at 9,395 feet (2,864 m), and the range is a part of the Great Basin Divide and the Basin and Range Province. In Idaho, the mountains are part of the Black Pine Division of the Minidoka Ranger District of Sawtooth National Forest.
Black Pine Mountains High Point, at 9,289 feet (2,831 m) above sea level is the highest peak in the Black Pine Mountains of Cassia County in southern Idaho. The high point is sometimes referred to as "Black Peak" because of a benchmark on the peak that reads "Black".
Sublett Range High Point, at 7,492 feet (2,284 m) above sea level is the highest peak in the Sublett Range of Power County in southern Idaho. Sublett Range High Point is located in the east-central part of the range north of Snowville, Utah, and east of Malta, Idaho, and south of American Falls, Idaho in the Sublett Division of the Minidoka Ranger District of Sawtooth National Forest.
Ptychagnostus atavus is a species of agnostid trilobite. It belongs to the genus Ptychagnostus in the family Ptychagnostidae. It was originally described by Swedish paleontologist Sven Axel Tullberg as Agnostus atavus in 1880. It is used in biostratigraphy as an index fossil. Its first appearance at the GSSP section in the Wheeler Shale of Utah is defined as the beginning of the Drumian Age of the Miaolingian.
The geology of Utah includes rocks formed at the edge of the proto-North American continent during the Precambrian. A shallow marine sedimentary environment covered the region for much of the Paleozoic and Mesozoic, followed by dryland conditions, volcanism and the formation of the basin and range terrain in the Cenozoic. Utah is a state in the western United States.
