River Systems and Waterways of the United States
Identify major river systems, including the Mississippi, Ohio, Hudson, and Missouri rivers, and their historical importance for travel and trade.

Identify major river systems, including the Mississippi, Ohio, Hudson, and Missouri rivers, and their historical importance for travel and trade.
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4th Grade · Social Studies · US-MA-SS
10 lessons
Apply geographic tools, spatial thinking, and regional analysis to understand North America's physical and political landscape.