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1892 Eisverbreitung. Geologic Atlas Eisverbreitung, einst und je … |
1980 Mount Galway, Waterton Lakes … Geologic Atlas Mount Galway, Waterton Lakes … |
1913 Canada. Coal Resources of th … Geologic Atlas Coal Resources of the World. … |
1913 Nova Scotia, New Brunswick, … Geologic Atlas Coal Resources of the World. … |
1913 Sydney, Canada. Coal Resourc … Geologic Atlas Coal Resources of the World. … |
1913 Southern Vancouver Island, B … Geologic Atlas Coal Resources of the World. … |