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LKMENV_150705_06.JPG: Lake Mead National Recreation Area:
The Boulder Dam Project created Lake Mead. Completed in 1935, the dam blocked the Colorado River as the river turned southward here into Black Canyon. The backed-up waters formed a 110-mile-long series of basins and coves, now known collectively as Lake Mead.
Since its establishment in 1936, the recreation area around Lake Mead had been managed by the National Park Service. In 1947 Boulder Dam was renamed Hoover Dam. At that time the area of Lake Mohave, stretching 67 miles southward from Hoover Dam to Davis Dam, was added to the recreation area.
In 1964 Congress established this entire area as Lake Mead National Recreation Area. This was the first nationally designated recreation area in the country.
Lake Mead flooded the ancient channels of the Colorado and Virgin rivers. Native plants, ruins, and freshly abandoned towns disappeared under the water. Yet away from the lake shore, the landscape of the dry canyon country is little changed.
LKMENV_150705_15.JPG: Looking Northeast
You are standing 400 feet above the water of Boulder Basin, the westernmost end of Lake Mead. The lake's north shore is roughly six miles away.
Boulder Basin is only one-quarter of Lake Mead. The capacity of the entire lake is more than 46 billion cubic yards -- enough to store nearly two years of the Colorado River's flow. Completely filled, the lake is 500 feet deep, and more than 500 miles of shoreline ring its basins and "arms."
LKMENV_150705_21.JPG: Compare the two photos at left to the scene you see today:
(Far Left) February 1935. The Colorado River flows southward just beyond Sentinel Hill. The Boulder Hills stretch across the center of the Photo. Hemenway Wash is in the foreground.
LKMENV_150705_23.JPG: (Near Left) July 1935. The dam has been completed; the lake is rising. Sentinel Hill and the Boulder Hills are now islands. Hemenway Wash is flooding to become Boulder Basin.
LKMENV_150705_29.JPG: Hoover Dam
Work began in 1930 and proceeded day and night. Five years later a 726-foot-high wall blocked the Colorado River at its entrance to Black Canyon. In 1935 the newly completed dam was the highest dam in the world.
The landscape changed immediately. The waters of the backed-up Colorado spread into valleys and basins, flooding lowlands and turning dry cliffs into lake shores.
Human geography changed, too, as the project opened the West with irrigation, flood control, drinking and industrial water, and hydroelectric power. Today Lake Mead irrigates more than one million acres in the United States and Mexico. The lake's water can reach kitchens in Tucson, lawns in Los Angeles, or farms of the Imperial and Mexicali valleys.
Hoover Dam was originally called Boulder Dam. It was renamed in 1947.
LKMENV_150705_36.JPG: People on the Lake
From here you can usually see boats on Lake Mead's surface. Appearing not much larger than dots, the boats you see represent a small fraction of the watercraft -- of many forms -- that use Lake Mead. From the start, the lake and its adjoining waters offered unparalleled opportunities for water recreation. Nine out of ten visitors to Lake Mead come to use the water.
The traditional craft of the lake's early years -- sailboats, fishing boats, and power boats pulling skiers -- now share the lake with inflatable rafts, houseboats, sailboards, and powered "personal watercraft." Yet, on a lake of more than 157,000 surface acres, solitude can still be found.
LKMENV_150705_41.JPG: Looking Northwest
Locomotives screeching, trucks rumbling, cement mixers churning -- as Boulder Dam was being built, the hot, dry floor of the basin in front of you was the scene of intense activity.
Most of the construction sites -- gravel pits, railroad tracks, concrete plants, campsites -- were disassembled or left to drown under Lake Mead's rising water. A "bathtub ring" of white calcium along the shore marks the lake's high-water line.
LKMENV_150705_80.JPG: Old railroad tunnel
Wikipedia Description: Lake Mead National Recreation Area
From Wikipedia, the free encyclopedia
Lake Mead National Recreation Area is a U.S. National Recreation Area located in southeastern Nevada and northwestern Arizona. Operated by the National Park Service, Lake Mead NRA follows the Colorado River corridor from the westernmost boundary of Grand Canyon National Park to just north of the cities of Laughlin, Nevada and Bullhead City, Arizona. It includes all of the eponymous Lake Mead as well as the smaller Lake Mohave – reservoirs on the river created by Hoover Dam and Davis Dam, respectively – and the surrounding desert terrain and wilderness.
Formation of Lake Mead began in 1935, less than a year before Hoover Dam was completed. The area surrounding Lake Mead was established as the Boulder Dam Recreation Area in 1936. In 1964, the area was expanded to include Lake Mohave and its surrounding area and became the first National Recreation Area to be designated as such by the U.S. Congress.
Amenities
Lake Mead NRA features water recreation, including boating, swimming, and fishing, on both lakes as well as the stretches of river between the lakes. It also features hiking trails and views of the surrounding desert landscape. Three of the four desert ecosystems found in the United States — the Mojave Desert, the Great Basin Desert, and the Sonoran Desert — meet in Lake Mead NRA. Tours of Hoover Dam – administered by the U.S. Bureau of Reclamation – are also a major attraction within the recreation area.
About 200,000 acres (81,000 ha) of the recreation area are managed separately under the Grand Canyon-Parashant National Monument, established in 2000. Water covers about 186,000 acres (75,000 ha) of the recreation area.
Bigger photos? To save server space, the full-sized versions of these images have either not been loaded to the server or have been removed from the server. (Only some pages are loaded with full-sized images and those usually get removed after three months.)
I still have them though. If you want me to email them to you, please send an email to guthrie.bruce@gmail.com
and I can email them to you, or, depending on the number of images, just repost the page again will the full-sized images.
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