Graham Island, Queen Charlotte Group, British Columbia Geological Survey of Canada
1 in. to 4 miles
(W 131 degrees 20 minutes—W 131 degrees 30 minutes/N 54 degrees 30 minutes—N 53 degrees 00 minutes).
Relief shown by hachures and spot heights.
Shows geological formations, boundaries, faults, coal outcrops, boreholes, dips and strikes, etc.
Includes location map.
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