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The contour interval of a topographic map is 25 feet. How many contour lines will be drawn between sea level and an elevation of 150 feet? A. 3 B. 4 C. 5 D. 6

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If a contour interval of a topographic map is 50 feet, there would be 3 contour lines drawn between sea level and an elevation of 175 feet.
User Dean Friedland
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