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Canadian Shield - Wikipedia
Canadian Shield | Definition, Location, Map, Landforms, & Facts
Canadian Shield | The Canadian Encyclopedia
North America - Geology, Forests, Lakes | Britannica
Canadian Shield - New World Encyclopedia
Canadian Shield: Rugged Beauty and Unexpected Riches Within
Where Is The Canadian Shield? - WorldAtlas
Canadian Shield (Plain-Language Summary)
Behind the Canadian Shield | Canadian Geographic
North America: Physical Geography I – The Canadian Shield
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