Geological Survey of Canada
![The First Canadian Pacific R.R. and Geological Survey parties for British Columbia, July 22, 1871. Photographer: Benjamin F Baltzy. Courtesy: Toronto Public Library Digital Collections](https://upload.wikimedia.org/wikipedia/commons/e/ea/Selwyn_GSC_survey_party_1871.jpg)
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Published: 1979
Superior document: 1:1,000,000 geological atlas 104/114
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“...Geological Survey of Canada...”
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“...Geological Survey of Canada...”
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“...Geological Survey of Canada...”
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“...Geological Survey of Canada...”
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“...Geological Survey of Canada...”
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“...Geological Survey of Canada...”
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“...Geological Survey of Canada...”
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“...Geological Survey of Canada...”
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“...Geological Survey of Canada...”
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“...Geological Survey of Canada...”
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“...Geological Survey of Canada...”
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Published: 1980
Superior document: 1:1,000,000 geological atlas 105/115
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“...Geological Survey of Canada...”
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“...Geological Survey of Canada...”
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“...Geological Survey of Canada...”
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“...Geological Survey of Canada...”
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“...Geological Survey of Canada...”
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Published: 1867
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“...Geological Survey of Canada Radioactivity Division...”