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Rules of contour lines on Topographic Maps Two different contour lines cannot cr

ID: 116443 • Letter: R

Question

Rules of contour lines on Topographic Maps

Two different contour lines cannot cross because__________________

The spacing between contour lines on a map reveals the __________ of the ground surface. Closely spaced contour lines indicate ____________ and widely spaced contour lines indicate___________________.

Concentric contour lines indicate a __________________.

Concentric hachured contour lines indicate a ______________.

Contour lines form a V when they cross a Stream. The open part of the V faces the (upstream/downstream) direction.

Explanation / Answer

1..Ans...Two different contour lines cannot cross because each represents a different elevation.

2.Ans...The spacing between contour lines on a map reveals the slope of the ground surface.

3.Ans...Closely spaced contour lines indicate steep slope and widely spaced contour lines indicate gentle slope

4.Ans...Concentric contour lines indicate a hilltop

5.Ans...Concentric hachured contour lines indicate a depression

6.Ans...Contour lines form a V when they cross a Stream.The open part of the V faces the downstream direction.