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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. Amiel Weeks Whipple - Wikipedia

    en.wikipedia.org/wiki/Amiel_Weeks_Whipple

    Whipple accomplished his assigned surveys in spite of these challenges and was promoted to first lieutenant on April 24, 1851. [1] By 1853 his survey work was complete and his reports had been written. [3] In 1853 Congress authorized the Pacific Railroad Surveys to select the best route for a transcontinental railroad. Whipple was directed to ...

  6. Charles Preuss - Wikipedia

    en.wikipedia.org/wiki/Charles_Preuss

    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 ...

  7. 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 ...

  8. 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.

  9. Hueneme, Malibu and Port Los Angeles Railway - Wikipedia

    en.wikipedia.org/wiki/Hueneme,_Malibu_and_Port...

    The Hueneme, Malibu & Port Los Angeles Railway was a standard-gauge, 15-mile railroad (24 km) in Malibu, California. It was founded by Frederick Hastings Rindge (1857–1905) and operated on his 13,000-acre ranch (5,300 ha) along the coast, which encompassed most of what is today Malibu.