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1892

Eisverbreitung.

Geologic Atlas

Eisverbreitung, einst und jetzt. Polar A …

1980

Mount Galway, Waterton Lakes National Pa …

Geologic Atlas

Mount Galway, Waterton Lakes National Pa …

1913

Canada. Coal Resources of the World.

Geologic Atlas

Coal Resources of the World. Canada. Map …

1913

Nova Scotia, New Brunswick, Canada. Coal …

Geologic Atlas

Coal Resources of the World. Canada. Map …

1913

Sydney, Canada. Coal Resources of the Wo …

Geologic Atlas

Coal Resources of the World. Canada. Map …

1913

Southern Vancouver Island, British Colum …

Geologic Atlas

Coal Resources of the World. Canada. Map …