[English] In 1813, the North West Company built Rocky Mountain House on Brûlé Lake as a provision depot for brigades crossing the Athabasca Pass to the Pacific. When Jasper Hawes took command of the post in 1817 it became known as . . . — — Map (db m203680) HM
A preeminent topographical surveyor, Wheeler represented British Columbia on the commission which located and marked the boundary with Alberta between 1913 and 1925. His party surveyed and mapped the 1000 km-long mountain section, using photographs . . . — — Map (db m108876) HM
[English] Born in London, Thompson served both the Hudson's Bay Company (1784-1797) and the North West Company (1797-1815) as trader, explorer and surveyor. One of the world’s great geographers, he accurately mapped the main travel . . . — — Map (db m203686) HM