Eastern Mojave Vegetation
Tom Schweich
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Eastern Mojave Vegetation
| U. S. Interstate 40 |
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Tom Schweich |
Topics in this Article: Literature Cited |
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Locations: Barstow. |
BarstowJunction:
California city, crossroads for early emigrant trails, railroads and highways in the California Desert, on the Mojave River. Once a small mining center and railroad town in California's Mojave Desert, Barstow is located at the junction of 3 major highways -- Interstate 15, Interstate 40 and State Highway 58. It is centrally located in the western Mojave at the entrance to the Mojave National Preserve and is home of the U.S. Army National Training Center, Marine Corps Logistics Base, NASA's Goldstone Deep Space Network and Burlington Northern-Santa Fe Railroad Yards. Population is 21,500 and elevation is 2,106 feet above sea level.
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Junction: A Street, for Daggett.
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 View of Mojave Valley from Dagget Ridge
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Junction: National Trails Highway, Old US Hwy 66.
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Junction: Newberry Road, north to US Interstate 15.
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Locations: Pisgah Crater.
Pisgah Crater is a recreation site, with several lava tubes that can be explored. The composition of basalt in the lava flows has also been the subject of controversy regarding the source of the magma reflecting sequential melting of ultramafic to mafic mantle sources. Some papers support that hypothesis, while others suggest contamination by crustal sources.
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Locations: Pisgah.
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Literature Cited:
Locations: Lavic.
Lavic south of the highway. | Psorothamnus fremontii (A. Gray) Barneby, Fremont's Indigo Bush, from near Lavic was studied by Adams and York (2005). This is also a location where Castela emoryi (Gray) Moran and Felger (Crucifixion Thorn) is found. Rockhounds also search for Jasper here.
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Locations: Ludlow.
| LudlowJunction: Crucero RoadLudlow is the last stop for gas for eastbound travelers, until you get to Needles. Stop here for gas if you are planning a visit to Mojave National Park.
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Locations: Old Dad Mountains.
Old Dad Mountains to the north.
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Junction: Kelbaker Road, north to the Sweeney Granite Mountains Desert Research Center, aka Granite Mountains Reserve, north to Kelso and Baker.
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Locations: Marble Mountains.
Marble Mountains to the south.
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Junction: Essex Road, northwest into Mojave National Preserve, or southeast to Essex (no services) and US Highway 66, the National Old Trails Highway.
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| FennerJunction:
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Junction: Mountain Springs Road, north to Goffs.
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Low pass through the Piute Mountains.
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Exit: Camino
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Locations: Ward Valley.
| Ward ValleyWard Valley is named for Ward Station on the Parker Branch of the Atchison, Topeka, & Santa Fe Railway.
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| South PassSouth Pass, a low pass through the Sacramento Mountains.
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Junction: U. S. Highway 95, north to Las Vegas.
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Locations: Needles.
| Needles
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California above … | Cross Colorado River Arizona below …
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View to the south from the Topock exit.
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| TopockJunction:
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Junction: Arizona Highway 95, south through Lake Havasu City, to Parker and Quartzsite.
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| Yucca
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Locations: Hualapai Mountains.
Hualapai Mountains to the east. | Shreve may have collected Frasera albomarginata in the Hualapai Mountains.
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Locations: Kingman.
| Kingman
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Junction: Arizona Highway 66, following the old route of US Highway 66 through Peach Springs.
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Locations: Hualapai Mountains.
Hualapai Mountains to the south. | Shreve may have collected Frasera albomarginata in the Hualapai Mountains.
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Exit 66: Blake Ranch Road, also known as County Highway 151 in part. | There is a locality of Frasera albomarginata about 1.5 miles south.
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| SeligmanJunction: Arizona Highway 66
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Junction: Arizona Highway 66
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Junction: Arizona Highway 66
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| Ash Fork
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Junction: Arizona Highway 89, south to Prescott, and then US Highway 93 near Wickenburg.
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Exit 161: Grand Canyon Avenue, west end of Williams.
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Locations: Williams.
| Williams
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Exit 163: Grand Canyon Blvd
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Junction:
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Exit 167: S. Garland Prairie Rd, Forest Road 141, Circle Pines Road
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Exit 171: Ponderosa Road, Forest Road 74, Cool Pines Road
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Locations: Maine.
Exit 178: Garland Prairie Road, to Parks on the north side of the highway, or the ATSF station of Maine on the south side of the road. | There is a collection of Frasera speciosa (George E. Osterhout 6997, 6/23/1928, RM 25887) described as "between Grand Canyon and Maine." Typically this is mapped at Tusayan. I think it more likely the collection was made closer to Maine, or perhaps near Sitgreaves Mountain, which is between Grand Canyon and Maine.
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Exit 191: US Interstate 40 Business, east into Flagstaff.
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| FlagstaffExit 195:
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Locations: Rio de Flag.
Cross Rio de Flag
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Exit 198: East Butler Avenue
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Exit 201: US Interstate 40 Business, west into Flagstaff.
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Exit 204: |
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| WinonaExit 211: County Road 394 "Townsend-Winona Road"
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Exit 245: Arizona Highway 99, north to Leupp.
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Exit 252: US Interstate 40 Business, W. 3rd St., west entrance to Winslow.
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Locations: Winslow.
| Winslow
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Exit 257: US Interstate 40 Business, Arizona Highway 87, E. 3rd St, east entrance to Winslow.
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| Holbrook, Arizona
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Locations: Petrified Forest National Park.
| Petrified Forest National ParkThere are three collections of Frasera albomarginata from Petrified Forest National Park.
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| ChambersJunction: US Highway 191, north to Ganado and Chinle.
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| SandersJunction: US Highway 191, south past Witch Wells to St. Johns.
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Junction: Indian Route 12, north to Window Rock.
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Arizona above … | New Mexico below …
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Exit 159: US Interstate 25
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| Albuquerque
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| Amarillo
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| Literature CitedA list of all literature cited by this web site can be found in the Bibliography. |
Adams, James D., and Dana A. York. 2005. Psorothamnus fremontii and Psorothamnus arborescens (Fabaceae) in California. Madroño. 52(4):258-261. {TAS}
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Harter, Russell G. 1972. Lava tubes at Pisgah Crater. pp. 2-10 in Halliday, William R., 1976. 20th Annual Convention of the National Speloological Society, White Salmon, Washington, 16 August 1972. Proceedings of the International Symposium on Vulcanospeleology and its Extraterrestrial Applications. {TAS-pdf} Scanned and made into PDF files by Bill Mixon, Association for Mexican Cave Studies, 2008
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Post, Douglas M. 1956. Studies in the Gentianaceae:
Frasera and Swertia of North America. Ph.D. dissertation. University of California, Berkeley. 1956..
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Poulson, Simon R., and Barbara E. John. 2003. Stable isotope and trace element geochemistry of the basal Bouse Formation carbonate, southwestern United States: Implications for the Pliocene uplift history of the Colorado Plateau. GSA Bulletin. 115(4):434-444. {TAS-pdf}
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Ramos, F. C., and M. R. Reid. 2005. Distinguishing Melting of Heterogeneous Mantle Sources from Crustal Contamination: Insights from Sr Isotopes at the Phenocryst Scale, Pisgah Crater, California. Journal of Petrology. 45(5):999-1012.
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Sanders, Andrew C. n.d.. Crucifixion Thorn. {TAS-pdf} http://www/blm.gov/ca/pdfs/cdd_pdfs/crucif1/pdf
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Thompson, David G. 1929. The Mohave Desert Region, California. Water-Supply Paper 578. Washington, DC: United States Geological Survey, 1929. {TAS}
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If you have a question or a comment you may write to me at:
tas4@schweich.com
I sometimes post interesting questions in my FAQ, but I never disclose your full name or address.
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Date and time this article was prepared: 8/9/2020 10:18:39 AM |
