Gordon Olsson, ALS (Hon.Life) - Alberta Geomatics Historical Society

04. Manuals of Instruction for the Dominion Lands Survey

In 1871, the survey of public lands commenced in what was then called Manitoba and...

The Survey of the Alberta-British Columbia Boundary 1913-1924

Part of the boundary between Alberta and British Columbia that followed the continental divide of...

03. Gunter’s Chain – a legacy of three centuries

Imagine designing something that would be used for three centuries. That is what Edmund Gunter...

02. Circumferentors – Made in Canada before Confederation

Circumferentors were used to survey Canadian settlements and international boundaries during the 1800s. They were...

01. Sextant and Artificial Horizon

Sextants, developed in the 17th Century were used until the 20th Century to determine the...