Title: A History of Surveying
1A History of Surveying
Most images have been provided by Ken Allred,
ALS, CLS and Patrick Ringwood, BCLS, CLS
2From Eratosthenes to GPD
Eratosthenes 276 B.C.
33800 BC
The oldest known topographic map on a clay tablet
of a northern part of Mesopotamia
4Cadastral Plan - Mesopatamia - 1700 BC
5Zechariah 21
I lifted up mine eyes again, and looked, and
behold a man with a measuring line in his hand.
6The Rope Stretchers
7Early Egyptian Civilization
- The Pyramids
- Pythagoras
- Flooding of the Nile
- Early cadastral records to 3400 BC
8Ancient Boundary Stone
91st 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
10Gerard Mercator c. 1550
111571
Leonard Digges Invented the Theodolite - England
12The Sextant - 1730
13Early Explorers
- Samuel de Champlain
- Peter Fidler
- David Thompson
- Captain James Cook
14Samuel de Champlain 1608
Samuel de Champlain
15Philip Turnor Peter Fidler
Lake Athabasca - 1791
From the book Canadas Forgotten Surveyor by
Peter Fidler
16David Thompson Columbia River 1806
David Thompson
17Peter Fidler
Elk Point, Alberta
From the ALS News Magazine
18Surveyors and Statesmen
Mount Rushmore Three Surveyors and another guy!
19George Washington
Surveyor 1747-1752
20Surveying
- Essential for settlement
- Early land information system
From an ALSA Brochure
21Technological Revolution
- 1950
- Geodimeter
- Tellurometer
- 1970
- Desk Top Computer
- Total Stations
- 1990
- Geographic Information Systems
- Satellite Positioning Systems
- 2000
- High Resolution Imagery
22Global Positioning Systems
Selective availability turned off in 2000