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  2. Pacific Railroad Surveys - Wikipedia

    en.wikipedia.org/wiki/Pacific_Railroad_Surveys

    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 ...

  3. Whipple Expedition - Wikipedia

    en.wikipedia.org/wiki/Whipple_Expedition

    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 ...

  4. United States Army Corps of Topographical Engineers

    en.wikipedia.org/wiki/United_States_Army_Corps...

    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 ...

  5. Beckwith Expedition - Wikipedia

    en.wikipedia.org/wiki/Beckwith_Expedition

    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.

  6. History of the mapping of California - Wikipedia

    en.wikipedia.org/wiki/History_of_the_mapping_of...

    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 ...

  7. Vallecito, San Diego County, California - Wikipedia

    en.wikipedia.org/wiki/Vallecito,_San_Diego...

    Vallecito was a station for other stage companies until 1877 when the railroad replaced the stagecoach for long-distance travel between California and Arizona. Completion of the Southern Pacific Railroad between Los Angeles and Yuma in 1877 ended the large scale use of the Southern Emigrant Trail. Hart's widow abandoned the station in the late ...

  8. Sacramento Valley Railroad (1852–1877) - Wikipedia

    en.wikipedia.org/wiki/Sacramento_Valley_Railroad...

    On August 4, 1852, the Sacramento Valley Railroad was incorporated in California, and Charles Lincoln Wilson became its first president. He left for New York to find expertise and private funds for the railroad effort; he recruited a young survey engineer Theodore D. Judah from New York to come west with him to Sacramento. [3]

  9. Southern Emigrant Trail - Wikipedia

    en.wikipedia.org/wiki/Southern_Emigrant_Trail

    The Southern Emigrant Trail, also known as the Gila Trail, the Kearny Trail, the Southern Trail and the Butterfield Stage Trail, was a major land route for immigration into California from the eastern United States that followed the Santa Fe Trail to New Mexico during the California Gold Rush.