a history of surveying
DESCRIPTION
A History of Surveying. Most images have been provided by Ken Allred, ALS, CLS and Patrick Ringwood, BCLS, CLS. From Eratosthenes to GPD. Eratosthenes 276 B.C. 3800 BC. The oldest known topographic map on a clay tablet of a northern part of Mesopotamia. - PowerPoint PPT PresentationTRANSCRIPT
Most images have been provided by Ken Allred, ALS, CLS and Patrick Ringwood, BCLS, CLS
A History of Surveying
Eratosthenes 276 B.C.
From Eratosthenes to GPD
The oldest known topographic map on a
clay tablet of a northern part of Mesopotamia
3800 BC
Cadastral Plan - Mesopatamia - 1700 BC
I lifted up mine eyes again, and looked, and behold a man with a measuring line in his hand.
Zechariah 2:1
The Rope Stretchers
• The Pyramids• Pythagoras • Flooding of the Nile• Early cadastral records
to 3400 BC
Early Egyptian Civilization
Ancient Boundary Stone
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
1st Century – 11th Century
Gerard Mercator – c. 1550
Leonard Digges Invented the Theodolite - England
1571
The Sextant - 1730
• Samuel de Champlain
• Peter Fidler
• David Thompson
• Captain James Cook
Early Explorers
Samuel de Champlain
1608
Samuel de Champlain
Philip Turnor & Peter Fidler
Lake Athabasca - 1791
From the book: Canada’s Forgotten Surveyor by Peter Fidler
David Thompson Columbia River 1806
David Thompson
Peter Fidler
Elk Point, AlbertaFrom the ALS News Magazine
Surveyors and Statesmen
Mount Rushmore: Three Surveyors and another guy!
Surveyor1747-1752
George Washington
From an ALSA Brochure
Surveying
• Essential for settlement
• Early land information system
Technological Revolution
• 1950 – Geodimeter – Tellurometer
• 1970 – Desk Top Computer– Total Stations
• 1990 – Geographic Information Systems– Satellite Positioning Systems
• 2000– High Resolution Imagery
Selective availability turned off in 2000
Global Positioning Systems