Navigation Challenge 4 - Contour Lines
Many times we first look at topographical map we are overwhelmed by the all those squiggly lines. Those squiggly lines are contour lines, lines of constant elevation. They help us visualize what the real world looks like. Enjoy this challenge as it will continue to push you to a better understanding. Again please do not email the address listed in the challenge, but feel free to email me with any questions you might have.
Click the icon below to download the attached PDF.
