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Engineering Assistant Civil Engineering 2

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Definition of Surveying Traditional Surveying Traditionally surveying has been defined as the science and art of determining the relative positions of points above, on, or beneath the surface of the Earth, or establishing such points 5

6 HISTORY OF SURVEYING

Thomas Jefferson Thomas Jefferson- Our 3rd President of the United States. Thomas Jefferson was a Surveyor General for Virginia and was also appointed as County Surveyor for Albemarle County, Virginia on October 14, During his tenure as Secretary of State (under President Washington) and as President, Jefferson's instructions and appointments of surveyors to official posts gave the young nation the foresight and direction necessary to promote the orderly settlement of frontier. 7

Lewis and Clark In 1803 Thomas Jefferson sent Meriwether Lewis and William Clark's Corps of Discovery to find a water route to the Pacific and explore the uncharted West. He believed woolly mammoths, erupting volcanoes, and a mountain of pure salt awaited them. dclark/journey_intro.html The Expedition officially began near St. Louis, Missouri, on May 21,

9 Reached the Pacific, near present-day Astoria, Oregon, on December 1805 The expedition ended in back in St. Louis, Missouri, on September 23, 1806 Did not find a direct waterway from the Mississippi River to the Pacific Ocean The Gateway Arch reflects St. Louis' role in the Westward Expansion of the United States during the nineteenth century. The park is a memorial to Thomas Jefferson's role in opening the West Lewis and Clark

How is Surveying Used Today? 10

Surveying in the U.S. Air Force 11

Surveying 12

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