U. S. Interstate Highways
Tom Schweich
|
U. S. Interstate Highways
| U. S. Interstate 15 |
|
Tom Schweich |
Topics in this Article: Montana Idaho Utah Leeds Nevada California |
(No Preface) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
U. S. / Canada Border | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
Montana | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
Sweetgrass | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Exit: 363, for Shelby, Montana.
|
|
Locations: Marias River.
Cross Marias River.
|
|
Other articles:
Junction: US Interstate 90, East of Butte.
|
|
Locations: Butte.
| Butte
|
Other articles:
| Exit 121Junction: U. S. Interstate 90
|
Other articles:
Exit 111: MT Highway 91, Divide Creek Road, south to Dillon.
|
|
Other articles:
Exit 99: MT Highway 91, Moose Creek Road
|
|
Other articles:
Exit 85: MT Highway 91, Brownes Bridge Road., north of Glen and Burma Road.
|
|
Other articles:
Exit 63: US Interstate 15 Busines, North, to Dillon, north.
|
|
Locations: Dillon.
| Dillon
|
Other articles:
Exit 62: US Interstate 15 Business, South, to Dillon, south.
|
|
Exit 0: South Valley Road, to Monida.
|
|
Montana above … | Idaho below …
|
Junction: US Highway 20, east to Yellowstone.
|
|
Exit 190: …, to somewhere.
|
|
| Idaho
|
Exit 119: US Highway 20, east.
|
|
| Idaho Falls
|
Other articles:
Exit 118: US Highway 20, Broadway, west, or into downtown.
|
|
Other articles:
Exit 116: I-15 Bus., US Highway 26, W. Sunnyside Road, business route through downtown Idaho Falls.
|
|
Other articles:
| BlackfootExit 93: US Highway 26, northwest.
|
| Chubbuck
|
Other articles:
Exit 72: US Interstate 86, west to Boise, Idaho, and Portland, Oregon.
|
|
Exit 71: Pocatello Creek Road
|
|
| PocatelloExit 69: Center Street, to downtown Pocatello.
|
Other articles:
Jct: US Highway 91, south past Zenda to Logan, then west back to US I-15.
|
|
Idaho above | Utah below
|
| Utah
|
Other articles:
| TremontonJunction: US Interstate 84, at its Exit 41
|
Other articles:
| Brigham CityJunction: US Highway 91, east to Logan, then north back to US I-15.A reason to take US Highway 91 as an alternate to Interstate 15 would be to see the spillway of Pleistocene Lake Bonneville into the Snake River drainage. The bedrock threshold that established the Provo shoreline is at Red Rock Pass, while an earlier failed alluvial dam is placed at Zenda.
|
Locations: Salt Lake City.
| Salt Lake City
|
Other articles:
Junction: U. S. Interstate 80, West, across Nevada to San Francisco.
|
|
Other articles:
Junction: U. S. Interstate 80, east to Wyoming
|
|
Locations: Salt Lake Valley.
| American ForkThe approximate south end of Salt Lake Valley
|
Other articles:
Junction: US Highway 6, east to Colorado.
|
|
Locations: Spanish Fork.
| Spanish Fork
|
Other articles:
Junction: US Highway 6, west.
|
|
Locations: Santaquin.
| Santaquin
|
Locations: Scipio.
| Scipio
|
Other articles:
Junction: U. S. Highway 50, east through Salina to US Interstate 70.
|
|
Locations: Holden.
| Holden
|
Other articles:
Junction: U. S. Highway 50, west across Utah and Nevada to Sacramento, California.
|
|
Other articles:
Junction: U. S. Interstate 70, east across Utah and Colorado.
|
|
Junction: Utah Highway 160, north side of Beaver, use this exit for Utah Highway 21 when coming from the north.
|
|
Other articles:
| BeaverNo Exit: UT Highway 21, west through Minersville and Milford to the Nevada border near Great Basin National Park and US Highway 50.
|
Junction: Utah Highway 160, south side of Beaver, use this exit for Utah Highway 21 when coming from the south.
|
|
Beaver River basin to the north ... | Beaver Ridge Parowan Valley to the south.
|
Beaver County above … | Iron County below …
|
Locations: Parowan Valley.
| Parowan Valley
|
Junction: Utah Highway 271, access road to Paragonah.
|
|
| ParagonahRed Creek exits through the Hurricane Cliffs into Paragonah. On Red Creek, S. L. Welsh made a collection of Frasera albomarginata.
|
| Parowan
|
Other articles:
Junction: Utah Highway 130, north to Minersville.
|
|
Locations: Cedar City.
| Cedar City
|
Other articles:
Junction: Utah Highway 56, West to Nevada.
|
|
Other articles:
Junction: Utah Highway 14, East.
|
|
Other articles:
View of Fort Harmony, and the Harmony Mountains across US Interstate 15.
|
|
Other articles:
Locations:
Kolob Canyons, Zion National Park.
Overlook in Kolob Canyons, Zion National Park.
|
|
Other articles:
View southwest toward Saint George along US Interstate 15.
|
|
Locations: Browse Area Guard Station.
Exit 30: Forest Service Road, possibly F. R. 037, up South Fork Ash Creek and Mill Creek to the Browse Area Guard Station, collection locality of Frasera speciosa
|
|
Other articles:
| Anderson JunctionExit 27: Utah Highway 17, South to Toquerville, and UT Highway 9 to Zion National Park, or to UT Highway 59, AZ Highway 389, to Kanab, Utah, Page, Arizona, and points east.
|
Literature Cited:
Other articles:
Locations: Italian Spring.
Cross Grapevine Wash. | Grapevine Wash drains Italian Wash, which drains Italian Spring. There is a collection of Frasera albomarginata from Italian Spring.
|
Other articles:
Exit 23: Silver Reef Road, to Oak Grove Road and the Oak Grove Campground.
|
|
Other articles:
Locations: Leeds. Silver Reef.
| LeedsSite of Silver Reef to the north.
|
Other articles:
Exit 16: Utah Highway 9,
|
|
Exit 8: Saint George Blvd., UT Highway 34
|
|
Other articles:
Locations: Saint George.
| Saint George
|
Other articles:
Exit 6: |
|
Exit 2: Southern Parkway, Sun River Parkway.
| This is the approximate location of the crossing of the Old Spanish Trail from east to west. To the west the trail skirted the south side of Bloomington Hill and ascended Curly Hollow Wash. From the east the trail descended Fort Pearce Wash.
|
Utah above. | Arizona below.
|
Other articles:
Locations:
Virgin River.
Virgin River Gorge Recreation Area. | We stopped here for lunch one time and watched some rafters launch their raft, and drift downstream into the gorge.
|
Other articles:
Locations:
Virgin River.
I have driven through the Virgin River Gorge on US I-15 twice in the northeasterly direction, and neither time have I seen a good place to stop for a photograph.
|
|
Literature Cited:
Locations: The Narrows. Virgin River Gorge.
The Narrows of the Virgin River Gorge.
| As an application of their criteria-based methodology for determining the mechanism of transverse drainage development, Douglass, et al. (2009) determined antecedence as the mechanism for transverse drainage through Virgin River Gorge.
|
Other articles:
Exit 27: Black Rock Mountain Road
|
|
Locations: Beaver Dam Mountains. Virgin Mountains.
Beaver Dam Mountains to the northwest. Vrigin Mountains to the southeast.
|
|
Other articles:
Locations: Littlefield.
| Littlefield
|
Literature Cited:
Other articles:
The road north from Littlefield goes to the Joshua Tree Natural Area in southwestern Utah. I have been unable to find a name for this road. Comstock, Cooper and Ehleringer's (1988) site two for their study of patterns of canopy development and carbon gain is 16 km north of Littlefield within the Joshua Tree Natural Area.
|
|
Arizona above … | Nevada below …
|
| Nevada
|
Other articles:
Junction: N. Sandhill Blvd., E. Pioneer Blvd., I-15 Business
|
|
Locations: Mesquite.
| Mesquite
|
Other articles:
Junction: W. Mesquite Blvd., Interstate 15 Business
|
|
Locations: Bunkerville.
Bunkerville to the southeast across the Virgin River.
|
|
Literature Cited:
Locations: Virgin Mountains. Virgin Peak.
Virgin Mountains in Clark County, Nevada, to the southeast across the Virgin River.
|
|
Other articles:
Junction: Nevada State Route 170, to Bunkerville and Gold Butte Road.
|
|
Other articles:
Junction: Nevada State Route 12
|
|
Other articles:
| GlendaleJunction: Nevada State Route 168, for Glendale, to Moapa, and US Highway 93 at Coyote Springs.
|
Other articles:
Junction: Nevada State Route 169
|
|
Other articles:
Junction: U. S. Highway 93, North.
|
|
| Las Vegas, North City Limit.
|
Other articles:
Junction:
|
|
Other articles:
Junction: Nevada State Route 159 "W. Charleston Blvd."
|
|
Locations: Las Vegas.
| Las Vegas
|
Las Vegas, South City Limit. |
|
Other articles:
Junction: Nevada Highway 160, the Blue Diamond Highway, which goes to Blue Diamond, and Pahrump.
|
|
Locations: Potosi Mountain.
The high mountain to the west of U. S. Interstate 15 is Potosi Mountain, considered to be a southern extension of the Spring Mountains.
|
|
Other articles:
Locations: Goodsprings. Jean. Sheep Mountain.
| JeanJunction: NV Hwy 161, to Goodsprings and Sandy ValleySheep Mountain, type locality of the Goodsprings Dolomite, is across the valley to the southeast.
|
Literature Cited:
Other articles:
Locations: Devil Peak.
|
Devil Peak is a small (~2.5 km diameter) hypabyssal rhyolite dome that intruded into Paleozoic carbonate strata of the southern Spring Mountains (Guest, et al., 2007). It is also the probable source for megabreccia sheets, pyroclastic deposits, and obsidian rock avalanche deposits that make up the crest of Black Butte. These deposits are evidence for about 30 km of dextral slip along the Stateline Fault System.
|
Locations:
Primm.
| Primm
|
Other articles:
Junction: Primm Road to Keany Pass Road.
|
|
Nevada above … | California below …
|
| California
|
Other articles:
Locations:
Lakeview.
|
This is the former location of Lakeview, California. Annie Alexander and Louise Kellogg collected here on May 17, 1940. I found the location indicated on a 1939 edition of a AAA highway map.
|
Other articles:
Locations:
Mountain Pass.
| Mountain PassThe largest known rare earth deposits in the world exist near Mountain Pass Summit. Today, the Molybdenum Corporation of America is processing the highly concentrated rare earth ore, the only remaining productive mining activity in the area.Prior to 1924, an unpaved road known as Arrowhead Trail, which was oil-treated shortly thereafter, generally followed meandering "dry" streambeds through Mountain Pass and Wheaton Canyon. Between 1933 and 1937, a greatly improved two-lane highway was constructed, which served as U.S. Highway 91 and 466 until 1963.
|
Locations:
Clark Mountain Station.
| Clark Mountain StationAnnie Alexander and Louise Kellogg stayed at Clark Mountain Station May 12-16, 1939.
|
Other articles:
Locations: Valley Wells.
| Valley WellsNo gasoline (May 2000, September 2000). Gasoline (May 2003)Junction:
|
Locations:
Clark Mountain.
Halloran Summit.
Yucca Grove.
| Halloran SummitGasoline and some services available (September 2000). I believe this is the former location of Yucca Grove. It was on the north side of then US Highways 91 and 466, and included an Auto Camp, in addition to gasoline and other services.
|
Other articles:
Locations: Halloran Springs.
| Halloran SpringsNo services (September 2000)Junction: Halloran Springs Road, west to Silver Lake on California Highway 127.
|
Other articles:
Locations:
Baker.
| Baker
|
|
|
|
|
View of Little Cow Hole Mountain. | The photo is taken from Zzyzx Road, but a similar view can be had from US I-15.
|
Other articles:
Locations:
Zzyzx.
Junction: Zzyzx Road
|
|
Soda Springs Desert Studies Center
|
|
Literature Cited:
I've been privileged to stay here for several classes and field trips. In this photograph, Allan Schoenherr, author of A Natural History of California, leads an early morning field trip to examine traps set along a transect the previous night. For information about the center see, http://biology.fullerton.edu:80/facilities/zzyzx.html
|
|
Locations:
Soda Mountains.
Soda Mountains to the north.
|
|
Other articles:
Junction: Rasor Road
|
|
Literature Cited:
Other articles:
| Ventifact Hill
|
Literature Cited:
Other articles:
The Cronese "Cat," a falling sand dune on the west side of the Cronese Basin, as seen from US Interstate 15. Evans (1962) studied these sand dunes, and his work is summarized in my article on eastern Mojave geology.
|
|
Other articles:
Locations: Cronese Basin.
Junction: Basin Road.
|
|
Other articles:
Along the washes at Basin Road are some Palo Verde trees.
|
|
 Cronese Basin with Cave Mountain.
The Cronese Basin with Cave Mountain on the south (left) side. The Basin Road overpass over U. S. Interstate 15 can be seen at the extreme left.
|
|
Cave Mountain, south of the highway.
|
|
Literature Cited:
Other articles:
Locations: Afton Canyon.
|
The history of lakes in the eastern Afton basin is very short compared with most Mojave Desert basins. The basin apparently did not exist prior to the rapid rise of the Cady Mountains in the Middle Pleistocene, as the oldest lacustrine evidence in eastern Afton basin is no older than about 300 ka. Afton area lacustrine sections provide evidence for three major lake events. The most prominent lake stand occurred during OIS 6 (Illinoian). All of the thick green clays visible in the Afton area are from this lake stand. Some of the clays have gypsum crystals, suggesting that this lake eventually dessicated. The Illinoian lake was followed by a lengthy dry interval probably starting in the Sangamon (OIS 5e). Next a tufa deposit dated at 80 ka, suggests that an OIS 4 lake reached an elevation of 525 m. Correlable strata are located near Camp Cady. Finally, there are several beach ridges and tufas at elevation of 542.5 m, show in the photograph at left, that have been reliably dated by radiocarbon methods to between 21.5 and 18 ka. This is slightly above the approximate elevation of the topographic divide into Coyote Basin, suggesting the maximum level of Lake Manix was maintained internally by overflows into Coyote Basin. Sometime about 18 ka., water overtopped the lowest rim of the Manix basin immediately above Afton Canyon and the water spilled out, removing that part of the canyon above the lake floor in a matter of hours. Since that time the Mojave River has continued to cut Afton Canyon, and the landscape is still adjusting to the rapid base level drop (Meek, 2000)
|
 Who is this guy? Why does he keep showing up in my Mojave Desert photos?
Between Field Road and Afton Road, US I-15 passes through lake beds of Pleistocene Lake Manix.
|
|
Other articles:
Junction: Field Road, access to Field, a station on the Union Pacific, and access to Camp Cady Wildlife Area via Yermo Road.
|
|
Locations: Manix.
Manix Overcrossing, Alvord Mountain Road.
| There is no freeway exit here. The nearest exits are Harvard Road to the west and Field Road to the east.
|
Camp Cady Wildlife Area
|
|
Locations:
Camp Cady.
Camp Cady
| Former military fort, guarding the Mojave Road, on the Mojave River about 1 1/2 miles south of US I-15.
|
Literature Cited:
Other articles:
Locations: Lime Hill.
|
Lime Hill is made up of Miocene Barstow Formation sediments overlain by a thick gravel sequence.
|
Literature Cited:
Other articles:
Locations: Harvard Hill.
|
|
Other articles:
Junction: Harvard Road, access to Harvard Hill, east to Camp Cady Wildlife Area, and south across Mojave Valley to Newberry Springs.
|
|
Other articles:
Locations:
Harvard Hill.
|
|
Other articles:
Minneola Road
|
|
 View of Mojave Valley from Dagget Ridge
|
|
Other articles:
Junction Road: Calico Road.
|
|
Other articles:
Junction: Ghost Town Road and Daggett-Yermo Road
|
|
Other articles:
Junction: Ghost Town Road
|
|
Other articles:
Junction: Fort Irwin Road
|
|
Other articles:
Junction: Old California Highway 58
|
|
Other articles:
Junction: Main Street, and National Trails Highway, old US Highway 66.
|
|
Locations: Barstow.
| BarstowCalifornia 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
|
Other articles:
Junction: U. S. Interstate 40, east across the Colorado River at Needles, across northern Arizona, New Mexico, and parts east to Wilmington, North Carolina.
|
|
Other articles:
Junction: |
|
Other articles:
Junction: California Highway 58, west through Mojave and Bakersfield to US Highway 101 at Santa Margarita.
|
|
Other articles:
Junction: Lenwood Road.
|
|
Locations: Mojave River.
Cross Mojave River.
|
|
Other articles:
Locations: Victorville.
| VictorvilleJunction: National Trails Highway, old US Highway 66.
|
Other articles:
Junction: California Highway 18, east to Apple Valley, and Lucerne Valley.
|
|
Other articles:
Junction: California Highway 18, west to Palmdale and US I-5 near Gorman
|
|
Locations: Antelope Valley. Hesperia.
To the southeast the Mojave River debouches from the San Bernardino Mountains into Antelope Valley, before making its way north through Victorville.
|
|
Locations: Antelope Valley. Hesperia.
Junction: Phelan Road, Hesperia to the east.
|
|
Other articles:
Junction: U. S. Highway 395.
|
|
| Cajon Pass
|
Other articles:
Junction: California Highway 138
|
|
Other articles:
Junction: U. S. Interstate 10, west to Los Angeles, east to San Bernardino.
|
|
Other articles:
Junction: California Highway 78
|
|
Locations: San Diego.
| San Diego
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.
|
|
Date and time this article was prepared: 6/26/2022 3:14:12 PM |
