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A History of Surveying: From Eratosthenes to GPS Images by Ken Allred and Patrick Ringwood

Explore the evolution of surveying, from ancient techniques like the lodestone to modern GPS systems. Discover landmarks in surveying history such as the Pyramids, the invention of the compass, and the contributions of Gerard Mercator. Learn about prominent surveyors like Samuel de Champlain and David Thompson, and the technological advancements in surveying equipment over the years. Uncover the intersection of surveying with historical events like Captain James Cook's expeditions and the mapping of Columbia River. Delve into the significance of surveying in land settlement and the development of early land information systems. Witness the technological revolution in surveying from the Geodimeter in the 1950s to the advent of Geographic Information Systems and Global Positioning Systems in the 1990s and 2000s, respectively.

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A History of Surveying: From Eratosthenes to GPS Images by Ken Allred and Patrick Ringwood

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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. A History of Surveying From Eratosthenes to GPS Eratosthenes 276 B.C.

  3. 3800 BC The oldest known topographic map on a clay tablet of a northern part of Mesopotamia

  4. Cadastral Plan - Mesopatamia - 1700 BC

  5. I lifted up mine eyes again, and looked, and behold a man with a measuring line in his hand. Zechariah 2:1

  6. The Rope Stretchers

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

  8. Ancient Boundary Stone

  9. 1st Century – 11th 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

  10. Gerard Mercator - c. 1550

  11. 1571 Leonard Digges Invented the Theodolite - England

  12. The Sextant 1730

  13. Early explorers Samuel de Champlain Peter Fidler David Thompson Captain James Cook

  14. Samuel de Champlain 1608

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

  16. David Thompson Columbia River 1806

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

  18. Surveyors and Statesmen Mount Rushmore • Three Surveyors and another guy!

  19. George Washington Surveyor 1747-52

  20. Essential • for settlement Early land information system From an ALSA Brochure

  21. 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

  22. Global Positioning Systems Selective Availability Turned off in 2000

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