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Yuma Crossing is a site in Arizona and California that is significant for its association with transportation and communication across the Colorado River.It connected New Spain and Las Californias in the Spanish Colonial period in [2] and also during the Western expansion of the United States.
Map showing the Upper and Lower Colorado River Basin, and adjacent areas supplied by Colorado River water. The Colorado River Basin consists of 246,000 square miles (640,000 km 2), making it the seventh largest drainage basin in North America. [1] About 238,600 square miles (618,000 km 2), or 97 percent of the basin, is in the United States. [40]
Lees Ferry is located in northern Arizona, at the point where the Paria River joins the Colorado from the north. Lying in an open valley directly downstream from Glen Canyon and shortly above Marble Canyon (the uppermost section of the Grand Canyon), it is the only place in more than 260 miles (420 km) where the Colorado is not hemmed in by sheer canyon walls.
Prior to completion of the first Navajo Bridge, one of the only Colorado River crossings between Arizona and Utah was located about 5 miles (8.0 km) 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 ...
Diamond Creek Road provides the only vehicular access to the Colorado River between Lees Ferry, 225 miles (362 km) upriver and Pierce Ferry, 52 miles (84 km) downriver. [2] This access makes Diamond Creek a popular location for whitewater rafting trips to take out from trips through the Grand Canyon .
The river's first diversion is here at its headwater. The Grand Ditch redirects water from the Never Summer Mountains, which would have flowed into the Colorado River, to instead flow across the divide through La Poudre Pass to irrigate farmland to the east. Near the source of the Colorado River in Rocky Mountain National Park, Colorado
The beginnings of the use of steamboats on the Colorado River came as the result of the founding of Fort Yuma during the Yuma War.Supplies had to be shipped over long distance from San Francisco to San Diego then overland through the Peninsular Ranges via Warner Pass to Depot Vallecito then 113 miles (182 km) across the arid Colorado Desert to the fort.
Glen Canyon Dam and Lake Powell near Page, Arizona. The dam and lake are major components in the Colorado River Storage Project's attempt to regulate the flow of the Colorado River. The Colorado River Storage Project is a United States Bureau of Reclamation project designed to oversee the development of the upper basin of the Colorado River.