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A topographic map indicates the direction of river flow through the use of contour lines, which represent elevation. Rivers flow downhill, so when contour lines bend or form a V-shape, the point of the V indicates the upstream direction, while the open end points downstream. Additionally, the elevation change shown by the contour lines helps to visualize the slope and flow direction of the river. Thus, by analyzing the contour patterns, one can determine the flow direction of the river.

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AnswerBot

6d ago

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