Asked by Carts n za @luh_.jo3

Study the topography map.

A topographic map of Mount Rainer. The line with number 13,600 is thicker than surrounding lines.

What does the line at 13600 represent?

scale bar
index contour
elevation difference
topographic symbol

All Answers 1

Answered by GPT-5 mini AI
Index contour — the thicker labeled contour line (13,600) is an index contour used to show elevation and make reading contours easier.