Mojave Desert

The Mojave Desert (/moʊˈhɑːvi, mə-/ moh-HAH-vee, mə-;[2][3][4] Mohave: Hayikwiir Mat'aar) is an arid rain-shadow desert and the driest desert in North America.[5] It is in the Southwestern United States, primarily within southeastern California and southern Nevada, and it occupies 47,877 sq mi (124,000 km2). Small areas also extend into Utah and Arizona.[6] Its boundaries are generally noted by the presence of Joshua trees, which are native only to the Mojave Desert and are considered an indicator species, and it is believed to support an additional 1,750 to 2,000 species of plants.[7] The central part of the desert is sparsely populated, while its peripheries support large communities such as Las Vegas, Barstow, Lancaster, Palmdale, Victorville, and St. George.

Mojave Desert
Mohave Desert
Hayyikwiir Mat'aar  (Mohave)[1]
Area124,000 km2 (48,000 sq mi)
Geography
CountryUnited States
StatesCalifornia, Nevada, Utah and Arizona
Borders on
Coordinates35°0.5′N 115°28.5′W 
RiverMojave River, Colorado River

The Mojave Desert is bordered by the Great Basin Desert to its north[5] and the Sonoran Desert to its south and east.[5] Topographical boundaries include the Tehachapi Mountains and the Sierra Pelona Ridge to the west, the Sierra Nevada and the Inyo Mountains to the northwest, and the San Gabriel Mountains and San Bernardino Mountains to the south. The mountain boundaries are distinct because they are outlined by the two largest faults in California – the San Andreas and Garlock faults. The Mojave Desert displays typical basin and range topography. Higher elevations above 2,000 ft (610 m) in the Mojave are commonly referred to as the High Desert; however, Death Valley is the lowest elevation in North America at 280 ft (85 m) below sea level and is one of the Mojave Desert's harshest climates and best known places. Large parts of the Mojave Desert are often referred to as the "high desert", in contrast to the "low desert", the Sonoran Desert to the south. Most of the Mojave Desert is above 2,000 ft (610 m), with only Death Valley and the Colorado River basin in the east (including the neighboring Las Vegas Valley) being lower. The Mojave Desert, however, is generally lower than the even higher Great Basin Desert to the north. The Mojave Desert occupies less than 50,000 sq mi (130,000 km2), making it the smallest of the North American deserts.[5]

The spelling Mojave originates from the Spanish language while the spelling Mohave comes from modern English. Both are used today, although the Mojave Tribal Nation officially uses the spelling Mojave; the word is a shortened form of Hamakhaave, their endonym in their native language, which means "beside the water".[8]

Climate

The Mojave Desert receives less than 2 inches (51 mm) of rain a year and is generally between 2,000 and 5,000 feet (610 and 1,520 m) in elevation. The Mojave Desert also contains the Mojave National Preserve, as well as the lowest and hottest place in North America: Death Valley at 282 ft (86 m) below sea level, where the temperature often surpasses 120 °F (49 °C) from late June to early August. Zion National Park in Utah lies at the junction of the Mojave, the Great Basin Desert, and the Colorado Plateau. Despite its aridity, the Mojave (and particularly the Antelope Valley in its southwest) has long been a center of alfalfa production, fed by irrigation coming from groundwater and from the California Aqueduct.

Mustard blue summer sunset at Landers, California

The Mojave is a desert of temperature extremes and two distinct seasons. Winter months bring comfortable daytime temperatures, which occasionally drop to around 25 °F (−4 °C) on valley floors, and below 0 °F (−18 °C) at the highest elevations. Storms moving from the Pacific Northwest can bring rain and in some places even snow. More often, the rain shadow created by the Sierra Nevada as well as mountain ranges within the desert such as the Spring Mountains, bring only clouds and wind. In longer periods between storm systems, winter temperatures in valleys can approach 80 °F (27 °C).

Spring weather continues to be influenced by Pacific storms, but rainfall is more widespread and occurs less often after April. By early June, it is rare for another Pacific storm to have a significant impact on the region's weather; and temperatures after the middle of May are normally above 90 °F (32 °C) and frequently above 100 °F (38 °C).

Summer weather is dominated by heat. Temperatures on valley floors can soar above 120 °F (49 °C) and above 130 °F (54 °C) at the lowest elevations. Low humidity, high temperatures, and low pressure, draw in moisture from the Gulf of Mexico creating thunderstorms across the desert southwest known as the North American monsoon. While the Mojave does not get nearly the amount of rainfall the Sonoran desert to the south receives, monsoonal moisture will create thunderstorms as far west as California's Central Valley from mid-June through early September.

Clouds reflecting high wind conditions from orographic lift in the Mojave Desert

Autumn is generally pleasant, with one to two Pacific storm systems creating regional rain events. October is one of the driest and sunniest months in the Mojave; and average high temperatures usually remain between 70 °F (21 °C) and 90 °F (32 °C) on the valley floors.

After temperature, wind is the most significant weather phenomenon in the Mojave. Across the region windy days are common; and also common in areas near the transition between the Mojave and the California low valleys, including near Cajon Pass, Soledad Canyon and the Tehachapi areas. During the June Gloom, cooler air can be pushed into the desert from Southern California. In Santa Ana wind events, hot air from the desert blows into the Los Angeles basin and other coastal areas. Wind farms in these areas generate power from these winds.

The other major weather factor in the region is elevation. The highest peak within the Mojave is Charleston Peak at 11,918 feet (3,633 m),[9] while the Badwater Basin in Death Valley is 279 feet (85 m) below sea level.[10] Accordingly, temperature and precipitation ranges wildly in all seasons across the region.

The Mojave Desert has not historically supported a fire regime because of low fuel loads and connectivity. However, in the last few decades, invasive annual plants such as some within the genera Bromus, Schismus and Brassica have facilitated fire. This has significantly altered many areas of the desert.[11] At higher elevations, fire regimes are regular but infrequent.

Climate data for Furnace Creek, Death Valley (Elevation −190 ft (−58 m))
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 88
(31)		 97
(36)		 102
(39)		 113
(45)		 122
(50)		 128
(53)		 134
(57)		 127
(53)		 123
(51)		 113
(45)		 98
(37)		 88
(31)		 134
(57)
Average high °F (°C) 66.9
(19.4)		 73.3
(22.9)		 82.1
(27.8)		 90.5
(32.5)		 100.5
(38.1)		 109.9
(43.3)		 116.5
(46.9)		 114.7
(45.9)		 106.5
(41.4)		 92.8
(33.8)		 77.1
(25.1)		 65.2
(18.4)		 91.4
(33.0)
Average low °F (°C) 40.0
(4.4)		 46.3
(7.9)		 54.8
(12.7)		 62.1
(16.7)		 72.7
(22.6)		 81.2
(27.3)		 88.0
(31.1)		 85.7
(29.8)		 75.6
(24.2)		 61.5
(16.4)		 48.1
(8.9)		 38.3
(3.5)		 62.9
(17.2)
Record low °F (°C) 15
(−9)		 26
(−3)		 26
(−3)		 39
(4)		 46
(8)		 54
(12)		 67
(19)		 65
(18)		 55
(13)		 37
(3)		 30
(−1)		 22
(−6)		 15
(−9)
Average precipitation inches (mm) 0.39
(9.9)		 0.51
(13)		 0.30
(7.6)		 0.12
(3.0)		 0.03
(0.76)		 0.05
(1.3)		 0.07
(1.8)		 0.13
(3.3)		 0.21
(5.3)		 0.07
(1.8)		 0.18
(4.6)		 0.30
(7.6)		 2.36
(60)
Mean monthly sunshine hours 217 226 279 330 372 390 403 372 330 310 210 186 3,625
Source 1: NOAA 1981–2010 US Climate Normals [12]
Source 2: weather2travel.com [13]
Climate data for Searchlight, Nevada. (Elevation 3,550 ft (1,080 m))
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 77
(25)		 81
(27)		 90
(32)		 94
(34)		 102
(39)		 110
(43)		 111
(44)		 110
(43)		 107
(42)		 98
(37)		 86
(30)		 75
(24)		 111
(44)
Average high °F (°C) 53.7
(12.1)		 58.4
(14.7)		 65.0
(18.3)		 73.1
(22.8)		 82.5
(28.1)		 92.7
(33.7)		 97.6
(36.4)		 95.4
(35.2)		 89.0
(31.7)		 77.0
(25.0)		 63.6
(17.6)		 54.4
(12.4)		 75.2
(24.0)
Average low °F (°C) 35.6
(2.0)		 38.3
(3.5)		 41.8
(5.4)		 48.0
(8.9)		 55.9
(13.3)		 64.8
(18.2)		 71.4
(21.9)		 69.6
(20.9)		 63.9
(17.7)		 53.9
(12.2)		 43.0
(6.1)		 36.4
(2.4)		 51.9
(11.1)
Record low °F (°C) 7
(−14)		 11
(−12)		 20
(−7)		 27
(−3)		 30
(−1)		 40
(4)		 52
(11)		 51
(11)		 41
(5)		 23
(−5)		 15
(−9)		 8
(−13)		 7
(−14)
Average precipitation inches (mm) 0.92
(23)		 0.96
(24)		 0.77
(20)		 0.40
(10)		 0.20
(5.1)		 0.11
(2.8)		 0.91
(23)		 1.08
(27)		 0.61
(15)		 0.52
(13)		 0.43
(11)		 0.79
(20)		 7.70
(196)
Source: The Western Regional Climate Center[14]
Climate data for Mount Charleston Lodge, Nevada. (Elevation 7,420 ft (2,260 m))
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 70
(21)		 69
(21)		 73
(23)		 79
(26)		 86
(30)		 93
(34)		 98
(37)		 93
(34)		 90
(32)		 83
(28)		 79
(26)		 69
(21)		 98
(37)
Average high °F (°C) 44.0
(6.7)		 43.4
(6.3)		 48.8
(9.3)		 54.8
(12.7)		 64.4
(18.0)		 74.1
(23.4)		 79.4
(26.3)		 78.2
(25.7)		 71.7
(22.1)		 61.4
(16.3)		 51.6
(10.9)		 44.3
(6.8)		 59.7
(15.4)
Average low °F (°C) 19.2
(−7.1)		 19.8
(−6.8)		 23.5
(−4.7)		 28.2
(−2.1)		 36.4
(2.4)		 44.1
(6.7)		 52.0
(11.1)		 50.6
(10.3)		 43.5
(6.4)		 34.5
(1.4)		 26.0
(−3.3)		 19.4
(−7.0)		 33.1
(0.6)
Record low °F (°C) −11
(−24)		 −15
(−26)		 1
(−17)		 7
(−14)		 16
(−9)		 17
(−8)		 31
(−1)		 30
(−1)		 17
(−8)		 9
(−13)		 1
(−17)		 −18
(−28)		 −18
(−28)
Average precipitation inches (mm) 2.83
(72)		 3.51
(89)		 1.92
(49)		 1.23
(31)		 0.70
(18)		 0.29
(7.4)		 2.13
(54)		 1.89
(48)		 1.69
(43)		 1.96
(50)		 1.31
(33)		 3.61
(92)		 23.09
(586)
Average snowfall inches (cm) 18.2
(46)		 29.3
(74)		 13.2
(34)		 8.3
(21)		 1.0
(2.5)		 0.2
(0.51)		 0
(0)		 0
(0)		 0
(0)		 1.6
(4.1)		 5.2
(13)		 20.0
(51)		 97.1
(247)
Source: The Western Regional Climate Center[15]

Geography
Mojave desert, 30 mi (48 km) east of San Gorgonio Mountain, California.

The Mojave Desert is defined by numerous mountain ranges creating its xeric conditions. These ranges often create valleys, endorheic basins, salt pans, and seasonal saline lakes when precipitation is high enough. These mountain ranges and valleys are part of the Basin and Range Province and the Great Basin, a geologic area of crustal thinning which pulls open valleys over millions of years. Most of the valleys are internally drained (endorheic basins), so all precipitation that falls within the valley does not eventually flow to the ocean. Some of the Mojave (toward the east, in and around the Colorado River/Virgin River Gorge) is within a different geographic domain called the Colorado Plateau.

Cities and regions
Main article: List of cities in the Mojave Desert
For a description of the metropolitan areas of the Mojave, see High Desert (California).
A typical Mojave desert valley and city: Indian Wells Valley and Ridgecrest, California
A typical desert scene near the Searles, California area, January 2019
A Mojave desert nautical twilight, in Johnson Valley, California

While the Mojave Desert itself is sparsely populated, it has increasingly become urbanized in recent years. The metropolitan areas include Las Vegas, the largest city in the Mojave with a metropolitan population of around 2.3 million in 2015; St. George is the northeastern-most metropolitan area in the Mojave, and is located at the convergence of the Mojave, Great Basin and Colorado Plateau. Lancaster is the largest California city in the desert; over 850,000 people live in areas of the Mojave attached to the Greater Los Angeles metropolitan area, including Palmdale and Lancaster (referred to as the Antelope Valley), Victorville, Apple Valley and Hesperia (referred to as the Victor Valley) attached to the Inland Empire metropolitan area, the 14th largest in the nation.

Smaller cities or micropolitan areas in the Mojave Desert include Helendale, Lake Havasu City, Kingman, Laughlin, Bullhead City and Pahrump. All have experienced rapid population growth since 1990.

Notable cities and towns with fewer than 30,000 people in the Mojave include Barstow, Boron, California City, Helendale, Joshua Tree, Landers, Lone Pine, Lucerne Valley, Mojave, Needles, Nipton, Pioneertown, Randsburg, Ridgecrest, Rosamond, Twentynine Palms and Yucca Valley in California; Mesquite and Moapa Valley in Nevada; and Hurricane in Utah.

The California portion of the desert also contains Edwards Air Force Base and Naval Air Weapons Station China Lake, noted for experimental aviation and weapons projects, and the largest Marine Corps base in the world at Twentynine Palms. The US Army also maintains Fort Irwin & the National Training Center (NTC) which is another major training area for the United States military. Mojave airport is also home to a long-term storage facility for large airplanes due to extremely dry non-corrosive weather conditions and a hard ground ideal for parking aircraft. The airport also houses the Air and Space Port and was one of the test centres for the Virgin Galactic Fleet.

The Mojave Desert has several ghost towns; the most significant are the gold-mining town of Oatman, Arizona, the silver-mining town of Calico, California, and the old railroad depot of Kelso. Some of the other ghost towns are more modern, created when U.S. Route 66 (and the lesser-known U.S. Route 91) were abandoned in favor of the Interstates. The Mojave Desert is crossed by major highways Interstate 15, Interstate 40, U.S. Route 95, U.S. Route 395, California State Route 58, California State Route 14, California State Route 138 and California State Route 18

Other than the Colorado River on the eastern half of the Mojave, few long streams cross the desert. The Mojave River is an important source of water for the southern parts of the desert. The Amargosa River flows from the Great Basin Desert south to near Beatty, Nevada, then underground through Ash Meadows before returning to the surface near Shoshone, California, disappearing underground again a short while later and has its final outlet into the southern end of Death Valley. The riverbed passes under SR 127 near Dumont Dunes before turning north into Death Valley National Park.

The Mojave Desert is also home to the Devils Playground, about 40 miles (64 km) of dunes and salt flats going in a northwest-southeasterly direction. The Devils Playground is a part of the Mojave National Preserve and is between the town of Baker, California and Providence Mountains. The Cronese Mountains are within the Devils Playground.

Parks and tourism

The Mojave Desert is one of the most popular tourism spots in North America, primarily because of the gambling destination of Las Vegas. The Mojave is also known for its scenic beauty, playing host to Death Valley National Park, Joshua Tree National Park, and the Mojave National Preserve. Lakes Mead, Mohave, and Havasu provide water sports recreation, and vast off-road areas entice off-road enthusiasts. The Mojave Desert also includes two California State Parks, the Antelope Valley California Poppy Reserve, in Lancaster, and Saddleback Butte State Park, in Hi Vista. Hoover Dam is a popular tourist destination. Visitors get a chance to see the structure, the hydroelectric power plant, and hear the history of the dam's construction during the Great Depression.[16]

Besides the major national parks, there are other areas of identified significance and tourist interest in the desert such as the Big Morongo Canyon Preserve, within the Colorado Desert, and the Red Rock Canyon National Conservation Area, 17 miles (27 km) west of Las Vegas, both of which are managed by the Bureau of Land Management.

Among the more popular and unique tourist attractions in the Mojave is the self described world's tallest thermometer at 134 feet (41 m) high, which is along Interstate 15 in Baker, California. The newly renovated Kelso Depot is the Visitor Center for the Mojave National Preserve. Nearby the massive Kelso Dunes are a popular recreation spot. Nipton, California, on the northern entrance to the Mojave National Preserve, is a restored ghost town founded in 1885.

Several attractions and natural features are in the Calico Mountains. Calico Ghost Town, in Yermo, is administered by San Bernardino County. The ghost town has several shops and attractions, and inspired Walter Knott to build Knott's Berry Farm. The BLM also administers Rainbow Basin and Owl Canyon, two "off-the-beaten-path" scenic attractions together north of Barstow in the Calicos. The Calico Early Man Site, in the Calico Hills east of Yermo, is believed by some archaeologists, including the late Louis Leakey, to show the earliest evidence with lithic stone tools found here of human activity in North America. The Calico Peaks scenically rise above all the destinations.

A tour of the Mojave Desert inspired American songwriter Carrie Jacobs-Bond to compose the parlor song "A Perfect Day" in 1909.[17]

Museums
Maturango Museum, in Ridgecrest

Parks and protected areas

Flora
Further information: List of flora of the Mojave Desert region

The flora of the Mojave Desert help define what is called the Mojave Desert in that the desert itself is generally considered to be outlined by the extent of growth of one of its plants, the Joshua tree (Yucca brevifolia). Mojave Desert flora is not a vegetation type, although plants in the area have evolved in isolation because of physical barriers. This area includes southeastern California and smaller parts of central California, southern Nevada, southwestern Utah and northwestern Arizona in the United States. The flora are adapted to extremely hot and dry conditions, but generally not as extreme as the adaptations needed for survival in the flora of the Sonoran Desert, which has an overlap in its major flora, such as the creosote bush (Larrea tridentata).[18]

Fauna

Soil and plants conditions

The soil types in the Mojave and Sonoran deserts are mostly derived from volcano, specifically the areas in California. As the topography goes down, particle sizes decreases as you move down the gradient, where you can also find low alkalinity. These erosional gradient is a habitat for many plant communities. As you go up the gradient of the desert, you will find more pediment and alluvial fan soil. In this areas, the flora is mostly succulents. As you move down the gradient, this area is described to be the upper and lower bajada, then you move into playa and salina, and finally you will reach the river. Drought deciduous plants are found in the alluvial fans and upper bajada. Evergreen perennials are found in some parts of the upper bajada, but it is mostly found in lower bajada. Once the salinity increases, you will find more salt-tolerant plants. In the river areas, deep-rooted plants reside. Due to the harsh and dry conditions in the desert, the plants have adapted to have succulent leaves, with CAM photosynthesis, spines, buried bulbs, hairy or waxy leaves, photosynthetic stems, deep tap roots, and ephemerals.

West Mojave plan litigation

The U.S. Bureau of Land Management (BLM) manages public lands in the Mojave Desert as part of its "crown jewels of the American West" National Landscape Conservation System. It has designated numerous large off-road vehicle open use areas on public lands in the western Mojave Desert, including El Mirage, Jawbone Canyon, Rasor, Spangler Hills, Stoddard Valley, Dove Spring Canyon, Dumont Dunes, and the world's largest open off-road vehicle use area, Johnson Valley. Open areas designated for unrestricted vehicle travel in the western Mojave Desert total 363,480 acres (1,471.0 km2). Several additional open areas dedicated to unrestricted vehicle travel on public lands have been designated in the northern and eastern Colorado (NECO) Desert. In 2002, BLM designated all washes in the southeastern third of the NECO planning area as also open to unrestricted vehicle travel. This was followed in 2003 by BLM expanding the off-road vehicle network in the western Mojave Desert to enhance off-road vehicle recreation opportunity. In 2004, relative to the case of Center for Biological Diversity, et al., Plaintiffs, v. Bureau of Land Management, et al., Defendants; the United States District court enjoined "all off-road vehicle use in the washes of the NECO Desert planning area pending issuance of a new biological opinion.".[20]:a A new biological opinion was subsequently issued and BLM's open wash designation in the NECO planning area was reinstated. In 2006, several environmental groups protested an additional route network expansion designated under the West Mojave Desert (WEMO) plan.

In 2009, U.S. District Judge Susan Illston ruled against the BLM's proposed designation of additional off-road vehicle use allowance in the western Mojave Desert. According to the ruling, the BLM violated its own regulations[21] when it designated approximately 5,000 miles (8,000 km) of off-roading routes in 2006.[22] According to Judge Ilston, the BLM's designation was significantly "flawed because it does not contain a reasonable range of alternatives" to limit damage to sensitive habitat.[23] Judge Illston found the bureau had inadequately analyzed the routes' impacts on air quality, soils, plant communities, riparian habitats, and sensitive species such as the endangered Mojave fringe-toed lizard, pointing out that the desert and its resources are "extremely fragile, easily scarred, and slowly healed."[23]

The court also found the BLM failed to follow route designation procedures established in the agency's own California Desert Conservation Area Plan, which allowed visitors to create hundreds of illegal OHV routes during the past three decades. The plan normally requires the BLM to consider the impacts to private property, non-motorized recreation opportunity, and natural resources before establishing off-road areas.[21] The adopted West Mojave plan amendment was found to have violated the BLM's own manual of regulations, the Federal Land Policy and Management Act of 1976 (FLPMA) and the National Environmental Policy Act of 1969 (NEPA).[22] The ruling was considered a success for a coalition of conservation groups, including the California Native Plant Society, Friends of Juniper Flats, the Alliance for Responsible Recreation, Community Off-Road Vehicle Watch, The Center for Biological Diversity, Sierra Club, and The Wilderness Society, who together initiated the legal challenge in late 2006.[23]

In 2011, Judge Illston ruled on a remedy request submitted by the ten involved environmental organizations. BLM in this ruling was directed to complete a revised WEMO route designation complying with all laws and regulations by March 2014. The agency is also required per this ruling to place signs on all off-road vehicle routes which are legal to use, create a monitoring plan to determine if illegal vehicle use is occurring, and provide additional enforcement to prevent illegal use.[24]

gollark: I mean, if it was open, could they not just have deleted it?
gollark: <@!319753218592866315> Have I died of bee exposure*?
gollark: I certainly haven't died of bee exposure*.
gollark: I mean, I don't, and I'm fine.
gollark: Why not just not shave?

See also

References
  1. Munro, P., et al. A Mojave Dictionary. Los Angeles: UCLA, 1992
  2. Jones, Daniel (2003) [1917], Peter Roach; James Hartmann; Jane Setter (eds.), English Pronouncing Dictionary, Cambridge: Cambridge University Press, ISBN 978-3-12-539683-8
  3. "Mojave". Dictionary.com Unabridged. Random House.
  4. "Mojave". Oxford English Dictionary (3rd ed.). Oxford University Press. September 2005. (Subscription or UK public library membership required.)
  5. Mojave Desert Wildflowers, Pam MacKay, 2nd Ed. 2013, p. 1
  6. "Mojave desert Map".
  7. Mazzucchelli, Vincent G., "The Southern Limits of the Mohave Desert, California", The California Geographer, 1967, VIII: 127–133. This study provides original maps of the Mohave and adjacent deserts in the southwestern states.
  8. "American Indian History".
  9. Stark, Lloyd R.; Whittemore, Alan T. (2000). "Bryophytes From the Northern Mojave Desert". Southwestern Naturalist. 45 (2): 226–232. doi:10.2307/3672465. JSTOR 3672465. Archived from the original on June 12, 2003 – via Mosses of Nevada On-line.
  10. "USGS National Elevation Dataset (NED) 1 meter Downloadable Data Collection from The National Map 3D Elevation Program (3DEP) – National Geospatial Data Asset (NGDA) National Elevation Data Set (NED)". United States Geological Survey. September 21, 2015. Retrieved September 22, 2015.
  11. Brooks, Matthew L. (August 1, 2002). "Peak Fire Temperatures and Effects on Annual Plants in the Mojave Desert". Ecological Applications. 12 (4): 1088–1102. doi:10.1890/1051-0761(2002)012[1088:PFTAEO]2.0.CO;2. ISSN 1939-5582. Archived from the original on July 1, 2019.
  12. NOAA. "1981–2010 US Climate Normals". NOAA. Retrieved July 25, 2011.
  13. Weather2travel.com. "Weather2travel Death Valley Climate". Retrieved June 16, 2011.
  14. "Seasonal Temperature and Precipitation Information". Western Regional Climate Center. Retrieved March 24, 2013.
  15. "Seasonal Temperature and Precipitation Information". Western Regional Climate Center. Retrieved March 29, 2013.
  16. "Hoover Dam". General Contractor Bob Moore Construction Company. Retrieved April 26, 2010.
  17. Reublein, Rick. "America's first great woman popular song composer" site.
  18. Shreve, Forrest; Wiggins, Ira Loren (January 1, 1964). Vegetation and Flora of the Sonoran Desert. Stanford University Press. p. 3. ISBN 9780804701631.
  19. Sahagun, Louis (May 10, 2020). "Desert mystery: Why have pronghorn antelope returned to Death Valley?". Los Angeles Times. Retrieved May 10, 2020.
  20. "Desert Lawsuit Settlement". California Desert District. Bureau of Land Management. April 27, 2007. Archived from the original on April 10, 2010. Retrieved January 12, 2010.
    a. "Order Re: Defendants' motion to alter or amend the judgment and plaintiffs' motion for injunctive relief" (PDF). United States District Court for the Northern District of California. December 20, 2004. Archived from the original (PDF) on June 12, 2009. Retrieved January 12, 2010.
  21. "Mojave's Off-Highway Roads Found Illegal". Archived from the original on April 15, 2012. Retrieved October 9, 2009.
  22. Judge rejects federal plan for SoCal desert routes
  23. Judge rejects U.S. management plan for California desert, Los Angeles Times, 30 September 2009.
  24. Danelski, David (January 31, 2011). "Judge: Redo off-roading routes in Mojave Desert". Press-Enterprise.

Further reading
  • Miller, D.M. and Amoroso, L. (2007). Preliminary surficial geology of the Dove Spring off-highway vehicle open area, Mojave Desert, California [U.S. Geological Survey Open-File Report 2006-1265]. Reston, VA: U.S. Department of the Interior, U.S. Geological Survey.
  • Mojave Desert Wildflowers, Jon Mark Stewart, 1998, pg. iv
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