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Navajo Bridge (May 2006)
Navajo Bridge is the name of twin steel spandrel arch bridges that cross the Colorado River in the Grand Canyon National Park (near Lees Ferry) in northern Coconino County, Arizona, United States. The newer of the two spans carries vehicular traffic on U.S. Route 89A (US 89A) over Marble Canyon between Bitter Springs and Jacob Lake, allowing travel into a remote Arizona Strip region north of the Colorado River including the North Rim of Grand Canyon National Park. Prior to completion of the first Navajo Bridge, one of the only Colorado River crossings between Arizona and Utah was located about upstream from the bridge site, at the mouth of Glen Canyon where Lees Ferry service had operated since 1873. The ferry site had been chosen as the only relatively easy access to the river for both northbound and southbound travelers. By the 1920s, automobile traffic began using the ferry, though it was not considered a safe and reliable crossing due to adverse weather and flo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Echo Cliffs
The Echo Cliffs are a prominent geological feature in northern Arizona. The cliffs stretch for and reach over 1000 feet (300 m) high. They are found in Coconino County, Arizona, Coconino County in the Navajo Nation about 20 miles (32 km) east of Grand Canyon National Park. U.S. Highway 89 runs parallel to the cliffs for . The Tutuveni petroglyphs are found at a site at the base of the cliffs. Geology The cliffs form the western escarpment of a mesa called the Kaibito Plateau and follow the axis of the Echo Monocline. Rocks of the Wingate Sandstone, Wingate sandstone, Navajo Sandstone, Kayenta Formation, all part of the Glen Canyon Group, crop out along the cliffs' length. The Chinle Formation underlies the Glen Canyon Group in the Echo Cliffs area. Comparatively little Scree, talus is found at the base of the cliffs. Its rocks tend to break up forming sediments which are quickly removed by wind and stream action. See also * Navajo Bridge * Paria Canyon * Vermilion Cliffs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marble Canyon National Monument
Marble is a metamorphic rock composed of recrystallized carbonate minerals, most commonly calcite or dolomite. Marble is typically not foliated (layered), although there are exceptions. In geology, the term ''marble'' refers to metamorphosed limestone, but its use in stonemasonry more broadly encompasses unmetamorphosed limestone. Marble is commonly used for sculpture and as a building material. Etymology The word "marble" derives from the Ancient Greek (), from (), "crystalline rock, shining stone", perhaps from the verb (), "to flash, sparkle, gleam"; R. S. P. Beekes has suggested that a "Pre-Greek origin is probable". This stem is also the ancestor of the English word "marmoreal," meaning "marble-like." While the English term "marble" resembles the French , most other European languages (with words like "marmoreal") more closely resemble the original Ancient Greek. Physical origins Marble is a rock resulting from metamorphism of sedimentary carbonate rocks, most ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bureau Of Indian Affairs
The Bureau of Indian Affairs (BIA), also known as Indian Affairs (IA), is a United States federal agency within the Department of the Interior. It is responsible for implementing federal laws and policies related to American Indians and Alaska Natives, and administering and managing over of land held in trust by the U.S. federal government for Indian Tribes. It renders services to roughly 2 million indigenous Americans across 574 federally recognized tribes. The BIA is governed by a director and overseen by the assistant secretary for Indian affairs, who answers to the secretary of the interior. The BIA works with tribal governments to help administer law enforcement and justice; promote development in agriculture, infrastructure, and the economy; enhance tribal governance; manage natural resources; and generally advance the quality of life in tribal communities. Educational services are provided by Bureau of Indian Education—the only other agency under the assistan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Department Of The Interior
The United States Department of the Interior (DOI) is one of the executive departments of the U.S. federal government headquartered at the Main Interior Building, located at 1849 C Street NW in Washington, D.C. It is responsible for the management and conservation of most federal lands and natural resources, and the administration of programs relating to Native Americans, Alaska Natives, Native Hawaiians, territorial affairs, and insular areas of the United States, as well as programs related to historic preservation. About 75% of federal public land is managed by the department, with most of the remainder managed by the Department of Agriculture's Forest Service. The department was created on March 3, 1849. The department is headed by the secretary of the interior, who reports directly to the president of the United States and is a member of the president's Cabinet. The current secretary is Deb Haaland. Despite its name, the Department of the Interior has a different ro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Navajo Bridge Aerial
The Navajo (; British English: Navaho; nv, Diné or ') are a Native American people of the Southwestern United States. With more than 399,494 enrolled tribal members , the Navajo Nation is the largest federally recognized tribe in the United States; additionally, the Navajo Nation has the largest reservation in the country. The reservation straddles the Four Corners region and covers more than 27,325 square miles (70,000 square km) of land in Arizona, Utah, and New Mexico. The Navajo Reservation is slightly larger than the state of West Virginia. The Navajo language is spoken throughout the region, and most Navajos also speak English. The states with the largest Navajo populations are Arizona (140,263) and New Mexico (108,306). More than three-fourths of the enrolled Navajo population resides in these two states. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Bridges In The United States By Height
This is a list of the highest bridges in the United States by height over land or water. ''Height'' in this list refers to the distance from the bridge deck to the lowest point on the land, or the water surface, directly below. A bridge's deck height is greater than its ''clearance below'', which is measured from the bottom of the deck structure, with the difference being equal to the thickness of the deck structure at the point with the greatest clearance below. Official figures for a bridge's height are often provided only for the clearance below, so those figures may be used instead of actual deck height measurements. For bridges that span tidal water, the clearance below is measured at the average high water level. The minimum height for inclusion in this list is ', which may be either the ''deck height'' or the ''clearance below'' depending on available references. Note that the following types of bridges are not included in this list: demolished high bridges; historic high b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Park Service
The National Park Service (NPS) is an agency of the United States federal government within the U.S. Department of the Interior that manages all national parks, most national monuments, and other natural, historical, and recreational properties with various title designations. The U.S. Congress created the agency on August 25, 1916, through the National Park Service Organic Act. It is headquartered in Washington, D.C., within the main headquarters of the Department of the Interior. The NPS employs approximately 20,000 people in 423 individual units covering over 85 million acres in all 50 states, the District of Columbia, and US territories. As of 2019, they had more than 279,000 volunteers. The agency is charged with a dual role of preserving the ecological and historical integrity of the places entrusted to its management while also making them available and accessible for public use and enjoyment. History Yellowstone National Park was created as the first national par ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glen Canyon
Glen Canyon is a natural canyon carved by a length of the Colorado River, mostly in southeastern and south-central Utah, in the United States. Glen Canyon starts where Narrow Canyon ends, at the confluence of the Colorado River and the Dirty Devil River. A small part of the lower end of Glen Canyon extends into northern Arizona and terminates at Lee's Ferry, near the Vermilion Cliffs. Like the Grand Canyon farther downstream, Glen Canyon is part of the immense system of canyons carved by the Colorado River and its tributaries. In 1966, a reservoir, Lake Powell, was created by the construction of the Glen Canyon Dam, in the Arizona portion of Glen Canyon near Page, inundating much of Glen Canyon under water hundreds of feet in depth. Contrary to popular belief, Lake Powell was not the result of negotiations over the controversial damming of the Green River within Dinosaur National Monument at Echo Park; the Echo Park Dam proposal was abandoned due to nationwide citizen pressure ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arizona Strip
The Arizona Strip is the part of Arizona lying north of the Colorado River. Despite being larger in area than several U.S. states, the entire region has a population of fewer than 10,000 people. Consisting of northeastern Mohave County and northwestern Coconino County, the largest settlements in the Strip are Colorado City, Fredonia, and Beaver Dam, with smaller communities of Scenic, Littlefield and Desert Springs. The Kaibab Indian Reservation lies within the region. Lying along the North Rim of the Grand Canyon creates physical barriers to the rest of Arizona. Only three major roads traverse the region, I-15 crosses the northwestern corner while Arizona State Route 389 and U.S. Route 89A crosses the northeastern part of the strip, US 89A crosses the Colorado River via the Navajo Bridge, providing the only direct road connection between the strip and the rest of the state. The nearest metropolitan area is the St. George, Utah metro area, to which the region is mo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jacob Lake, Arizona
Jacob Lake is a small unincorporated community on the Kaibab Plateau in Coconino County, Arizona, United States, at the junction of U.S. Route 89A and State Route 67. Named after the Mormon explorer Jacob Hamblin, the town is known as the "Gateway to the Grand Canyon" because it is the starting point of Route 67, the only paved road leading to the North Rim of the Grand Canyon some to the south. The town itself consists of the Jacob Lake Inn which maintains motel rooms and cabins, a restaurant, lunch counter, gift shop, bakery, and general store; a gas station/garage; campground; and a visitors center run by the U.S. Forest Service. In the summer months, there is also a nearby center for horse rides. History Jacob Lake Inn was founded in 1923 by Harold I. Bowman and his wife Nina Nixon Bowman to facilitate tourists attempting to reach the Grand Canyon. Their ancestors had been early converts to the Church of Jesus Christ of Latter-day Saints and had taken important roles ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bitter Springs, Arizona
Bitter Springs ( nv, ) is a native village and census-designated place (CDP) on the Navajo Nation in Coconino County, Arizona, United States. As of the 2020 census, the CDP population was 364 Geography Bitter Springs is located at (36.620888, -111.656460). According to the United States Census Bureau, the CDP has a total area of , all land. The mean elevation is above sea level. The US Postal Service ZIP code is 86040. Bitter Springs is the terminus of U.S. Route 89A, a spur route cut off by the construction of the Glen Canyon Dam. Demographics Bitter Springs first appeared on the 2000 U.S. Census as a census-designated place (CDP). As of the census of 2000, there were 547 people, 104 households, and 97 families residing in the CDP. The population density was . There were 127 housing units at an average density of . The racial makeup of the CDP was 99% Native American and 1% White, with <1% of the population made up of |
Arizona
Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Four Corners region with Utah to the north, Colorado to the northeast, and New Mexico to the east; its other neighboring states are Nevada to the northwest, California to the west and the Mexican states of Sonora and Baja California to the south and southwest. Arizona is the 48th state and last of the contiguous states to be admitted to the Union, achieving statehood on February 14, 1912. Historically part of the territory of in New Spain, it became part of independent Mexico in 1821. After being defeated in the Mexican–American War, Mexico ceded much of this territory to the United States in 1848. The southernmost portion of the state was acquired in 1853 through the Gadsden Purchase. Southern Arizona is known for its desert cl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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