Feature Type: | Mountain - Mass of land prominently elevated above the surrounding terrain, bounded by steep slopes and rising to a summit and/or peaks. |
Status: |
Official
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Name Authority: |
BC Geographical Names Office |
Relative Location: |
Just inside BC-Alberta boundary, N of Intersection Mountain, Peace River Land District |
Latitude-Longitude: |
53°52'19"N, 120°01'38"W at the approximate centre of this feature. |
Datum: |
WGS84 |
NTS Map: |
93H/16 |
Origin Notes and History:
Adopted 1 December 1925 on BC-Alberta boundary sheet 38.
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office
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Named by boundary surveyors in 1923, presumably referring to the impregnable aspect of the feature; an extremely steep shale slope extends almost 3 miles from Bastille Mountain to Wallbridge Mountain.
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office
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