Click Edit in the top left corner of the Google Earth Pro window, and then select Show Elevation Profile in the menu. 10. A graph will appear below the map area, and as you scroll along, you'll be ...

“Within an elevation accuracy of 18.5 centimeters.” Follow the water Inside the Allegheny County Sanitary Authority (ALCOSAN) lies the lowest man-made point in the city.

Take one glance at Chicago’s elevation graph, and you can see why some of the fastest marathon times in the world come out of the Windy City.The hills in Chicago—which is known for its pancake ...