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What is the counter interval and the relief of this topographic map

What is the counter interval and the relief of this topographic map-example-1
User Isadora
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Answer:Individual contour lines on a topographical map are a fixed interval of elevation apart known as a contour interval. Common contour intervals are 5, 10, 20, 40, 80, or 100 feet. The actual contour interval of a map depends upon the topography being represented as well as the scale of the map.

User ZhangTengyuan
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