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A History of Surveying

A History of Surveying

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A History of Surveying

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  1. A History of Surveying Most images have been provided by Ken Allred, ALS, CLS and Patrick Ringwood, BCLS, CLS

  2. Cadastral Plan - Mesopatamia - 1700 BC

  3. The Rope Stretchers

  4. Early Egyptian Civilization • The Pyramids • Pythagoras • Flooding of the Nile • Early cadastral records to 3400 BC

  5. 1st Century – 11th Century • Compass developed • Chinese invention - south pointing spoon (lodestone) • Used as a divining tool in the practice of fengshui • Magnetized needles used as direction pointers in the 8th century AD in China • Ca. 850 and 1050 common as marine navigational aids

  6. 1571 Leonard Digges Invented the Theodolite - England

  7. The Sextant - 1730

  8. Early Explorers • Samuel de Champlain • Peter Fidler • David Thompson • Captain James Cook

  9. Samuel de Champlain 1608 Samuel de Champlain

  10. Philip Turnor & Peter Fidler Lake Athabasca - 1791 From the book: Canada’s Forgotten Surveyor by Peter Fidler

  11. David Thompson Columbia River 1806 David Thompson

  12. Peter Fidler Elk Point, Alberta From the ALS News Magazine

  13. Technological Revolution • 1950 • Geodimeter • Tellurometer • 1970 • Desk Top Computer • Total Stations • 1990 • Geographic Information Systems • Satellite Positioning Systems • 2000 • High Resolution Imagery