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Middle E: Niagara Falls (American side)
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Middle E: Park near NIagara Falls
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Middle E: Bass Lake Provincial Park, Ontario
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Middle E: Bass Lake Provincial Park, Ontario
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Middle E: Lakeside Park (near Lake Huron), Ontario
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Middle E: Lake Superior Provincial Park, Ontario
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Middle E: Lake Superior, Ontario
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Middle E: Lake Superior, Minnesota
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Middle E: Bermidji State Park, Minnesota
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Middle E: Garrison Dam power plant, North Dakota
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Middle E: Roosevelt Memorial Park, North Dakota
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Middle E: Roosevelt Memorial Park, North Dakota
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Middle E: Sawyers at Roosevelt Memorial Park
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Middle E: Little Missouri River, Roosevelt Memorial Park
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Middle E: Caprock Coulee Trail, Roosevelt Memorial Park
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Middle E: Caprock Coulee Trail, Roosevelt Memorial Park
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Middle E: Caprock Coulee Trail, Roosevelt Memorial Park
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Middle E: Lignite seam, Roosevelt Memorial Park
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Middle E: Caprock Coulee Trail, Roosevelt Memorial Park
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Middle E: Caprock Coulee Trail, Roosevelt Memorial Park
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Middle E: Caprock Coulee Trail, Roosevelt Memorial Park
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Middle E: Caprock Coulee Trail, Roosevelt Memorial Park
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Middle E: Caprock Coulee Trail, Roosevelt Memorial Park
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Middle E: Caprock Coulee Trail, Roosevelt Memorial Park
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Middle E: Caprock Coulee Trail, Roosevelt Memorial Park
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Middle E: Caprock Coulee Trail, Roosevelt Memorial Park
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Middle E: Caprock Coulee Trail, Roosevelt Memorial Park
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Middle E: Petrified logs, Roosevelt Memorial Park
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Middle E: Caprock Coulee Trail, Roosevelt Memorial Park
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Middle E: Bear Tooth Pass, Montana