Here is a program that makes extracting elevation from Google Earth even easier. ESurvey Earth is a free SAAS (software as a service) powered by Google that uses Maps API to bring to you an exclusive service to extract elevations from Google Earth. This application extracts elevations of a given set of Latitude and Longitude points into KML File Using Google Maps API in a simple three step process, which can be easily used in Google Earth or can even be converted to CAD drawing.
Note: If you wish to generate Lat Long Points of your requirements you may use one of our commercial products "ESurvey KML".
For more information about Google Earth or ESurvey KML please visit:
How it works – Simple Step Procedure
Energizing Survey Drawings
One step Data Exchange between Google Earth and CAD