Question

topographical maps james burns how to read a topo map rei multiple - choice question every 5th contour line with a given elevation is known as what? index contour benchmark rewatch submit

Explanation:

In topographical maps, every 5th contour line with a given elevation is called an index contour. It is usually darker or thicker than other contour lines and has an elevation value marked on it for easy reference. A benchmark is a fixed point with a known elevation used for reference in surveying.

Answer:

index contour