A contour about to cross a stream runs up one side and down the other, making a V where it crosses, the angle of the V pointing up stream. Contour lines representing spurs between stream lines are generally U shaped with the bottom or rounded part of the U pointing down hill.
Contour Lines Images Free Photos, PNG Stickers, Wallpapers
5.5 Contour Lines and Intervals
Contour Contour Gradient
Mountain Navigation - Contour Lines
How to read topographic maps contour lines - Quora
What is Contour Interval? Its Calculation and Uses in Surveying
5.5 Contour Lines and Intervals
Contour lines map pattern hi-res stock photography and images - Alamy
Honoring The Slope Of The Land, With Keylines And Contour
Contour Plots with ggplot2
What are contour lines? How do you read them in a map? - Quora
)