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Published byGavin Gallagher Modified over 8 years ago
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A History of Surveying Most images have been provided by Ken Allred, ALS, CLS and Patrick Ringwood, BCLS, CLS
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Cadastral Plan - Mesopatamia - 1700 BC
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The Rope Stretchers
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Pythagoras The Pyramids Early cadastral records to 3400 BC Early Egyptian Civilization Flooding of the Nile
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1 st Century – 11 th Century AD – Compass developed Chinese invention - south pointing spoon (lodestone) used as a divining tool in the practice of feng shui magnetized needles used as direction pointers in the 8th century AD in China ca. 850 and 1050 common as marine navigational aids
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1571 Leonard Digges Invented the Theodolite - England
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The Sextant 1730
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Early explorers Samuel de Champlain Peter Fidler David Thompson Captain James Cook
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Samuel de Champlain 1608
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Philip Turnor & Peter Fidler Lake Athabasca - 1791 From the book: Canada’s Forgotten Surveyor by Peter Fidler
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David Thompson Columbia River 1806
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Peter Fidler Elk Point, Alberta From the ALS News Magazine
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Technological Revolution 1950’s - Geodimeter – Tellurometer 1970’s - Desk Top Computer – Total Stations 1990’s - Geographic Information Systems 1990’s - Satellite Positioning Systems 2000’s – High Resolution Imagery
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