Alberta-British Columbia Boundary Commission maps 1924
Sheet 30 — Mount O’Beirne to Colonel Pass. Surveyed in 1922, 1924
Alberta-British Columbia Boundary Commission maps 1924
Sheet 30 — Mount O’Beirne to Colonel Pass. Surveyed in 1922, 1924
Alberta-British Columbia Boundary Commission maps 1924
Sheet 29 B — Yellowhead Pass to Tête Roche. Surveyed in 1917
Alberta-British Columbia Boundary Commission maps 1924
Sheet 29 A — Miette Hill to Yellowhead Pass. Surveyed in 1917
Alberta-British Columbia Boundary Commission maps 1924
Sheet 29 — Yellowhead Pass. Surveyed in 1917
Alberta-British Columbia Boundary Commission maps 1924
Sheet 28 — Mount Whitecrow to Tonquin Pass. Surveyed in 1921
Alberta-British Columbia Boundary Commission maps 1924
Sheet 27 B — Whirlpool Pass. Surveyed in 1921
Alberta-British Columbia Boundary Commission maps 1924
Sheet 27 A — Athabasca Pass. Surveyed in 1921
Alberta-British Columbia Boundary Commission maps 1924
Sheet 27 — Mount Hooker to Whirlpool Pass. Surveyed in 1920, 1921
Alberta-British Columbia Boundary Commission maps 1924
Sheet 26 — Mount Brown to Whirlpool. Surveyed 1920
Alberta-British Columbia Boundary Commission maps 1924
Index Sheet 3 — Yellowhead Pass to Peace River