character: Mr. Waters
topic: Sediment Transport and River Dynamics
grade: 9
subject: Geography
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character: Jacques Cousteau
topic: River Ecosystems
grade: 9
subject: Geography
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character: Dr. Sylvia Earle
topic: Water Conservation and Management
grade: 9
subject: Geography
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character: John Wesley Powell
topic: Geology of Rivers
grade: 9
subject: Geography
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