The contour lines and elevation markings in Google Maps can be hard to understand. If you're trying to get a sense of how ...

A technique using satellites to create twice-yearly elevation maps of US mountain glaciers provides new insight into thinning of glaciers in the lower 48 states.

The peaks and valleys in the map above represent snowfall, not elevation, so the map shows just how uneven the distribution has been since Sept. 30, the start of the National Weather Service’s ...

How to Read Race Elevation Maps. A course that seems hilly or flat may be the opposite when you consider the scale of the chart. by Jenny Hadfield Published: Mar 18, 2015 11:33 AM EDT.