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资源列表 > One-third of North America - stretching from what is now Indiana in the Midwest westward to the Rocky Mountains - and northward from Texas deep into Canada - was once uninterrupted prairie, where Plains Indians hunted free-roaming bison, elk and antelope.
One-third of North America - stretching from what is now Indiana in the Midwest westward to the Rocky Mountains - and northward from Texas deep into Canada - was once uninterrupted prairie, where Plains Indians hunted free-roaming bison, elk and antelope.
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