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The Pacific Railroad Surveys (1853–1855) were a series of explorations of the American West designed to find and document possible routes for a transcontinental railroad across North America. The expeditions included surveyors, scientists, and artists and resulted in an immense body of data covering at least 400,000 square miles (1,000,000 km ...
The expedition lasted for nine months and traveled 1,800 miles (2,900 km). [1] The expedition was one of several surveys approved in 1853-4, when funding was added to the War Department budget. This allowed Secretary of War Jefferson Davis to send out surveying expeditions to explore potential transcontinental railroad routes across the United ...
Pacific Railroad Surveys, which consisted of five surveys to find potential transcontinental railroad routes. These survey reports were compiled into twelve volumes, Reports of Explorations and Surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean, made under the direction ...
Pruess Lake, Snake Valley, Utah George Karl Ludwig Preuss (1803–1854), anglicized as Charles Preuss, was a surveyor and cartographer who accompanied John C. Fremont on three of his five exploratory expeditions of the American west, including the expedition where he and Fremont were the first to record seeing Lake Tahoe from a mountaintop vantage point as they traversed what is now Carson ...
In 1841, Cadwalader Ringgold, an officer in the United States Navy, spent twenty days surveying the San Francisco Bay watershed as a member of the United States Exploring Expedition In 1849, Cadwalader Ringgold began a more comprehensive survey the San Francisco Bay region, [11] the Sacramento River, and parts of the American and created several maps which included depth sounding information ...
Beckwith disbanded his party after they reached the Sacramento River Valley, which was already known for its railroad suitability. By the end of their expedition the team had managed to cross the Sierra Nevada, Rocky, and Wasatch mountains. They plotted a rail-line that spanned an estimated 1,8899.71 miles.
Routes of the California, Mormon and Oregon Trails west of the Rocky Mountains. During the Mexican–American War, the wagon to California road known as Cooke's Wagon Road, or Sonora Road, was built across Nuevo Mexico, Sonora and Alta California from Santa Fe, New Mexico to San Diego. It crossed what was then the northernmost part of Mexico.
From Report of the Chief Engineer Theodore Judah: Preliminary Surveys and Future Business of the Sacramento Valley Railroad (Sacramento, Democratic State Journal, 1854). Cross and longitudinal views of a section of the original 35-pound-per-yard (17.4 kg/m) Welsh iron "pear" rail used to lay the SVRR in 1856