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A History of Surveying

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A History of Surveying Most images have been provided by Ken Allred, ALS, CLS and Patrick Ringwood, BCLS, CLS * Compass was not initially used to tell direction until ... – PowerPoint PPT presentation

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Title: A History of Surveying


1
A History of Surveying
Most images have been provided by Ken Allred,
ALS, CLS and Patrick Ringwood, BCLS, CLS
2
From Eratosthenes to GPD
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
Zechariah 21
I lifted up mine eyes again, and looked, and
behold a man with a measuring line in his hand.
6
The Rope Stretchers
7
Early Egyptian Civilization
  • The Pyramids
  • Pythagoras
  • Flooding of the Nile
  • Early cadastral records to 3400 BC

8
Ancient Boundary Stone
9
1st Century 11th Century
  • 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
Samuel de Champlain
15
Philip Turnor Peter Fidler
Lake Athabasca - 1791
From the book Canadas Forgotten Surveyor by
Peter Fidler
16
David Thompson Columbia River 1806
David Thompson
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 1747-1752
20
Surveying
  • Essential for settlement
  • Early land information system

From an ALSA Brochure
21
Technological Revolution
  • 1950
  • Geodimeter
  • Tellurometer
  • 1970
  • Desk Top Computer
  • Total Stations
  • 1990
  • Geographic Information Systems
  • Satellite Positioning Systems
  • 2000
  • High Resolution Imagery

22
Global Positioning Systems
Selective availability turned off in 2000
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