Downloading a LiDAR DEM from opentography.org

[@ExploreRSGISTutorials]

Thanks for this tutorial👍👍

[@edward05lan]

those are data only US ?

[@kaiwankareemkhanfatah121]

is it free available globally ?

[@msx1508]

Hello, I am one of the participants in your channel, I have a student to seek your help, but I want equations to detect groundwater using a program envi