A line on a topographic map that connects points of equal elevation.
What is the name for every 5th contour line on a topographic map that is darkened and labeled with the elevation?
When contour lines form a V or U shape it usually indicates the presence of a __________.
Stream or river
A point on a topographic map (usually not on a contour line) labeled with a specific elevation and usually has a triangle, BM, or + symbol next to it indicates a/an ________.
Topographic map rules and vocabulary review