You must install Google Earth application.
Link to install free Google Earth:
The application downloads a kmz file, able to run with Google Earth.
In the left sidebar, you can enable or disable the maps of sediment,
upper and lower soils, with the partial or total extraction analysis.
The legend can be activated or deactivated in the top bottom or left
bottom side in the map.
For a good visualization is recommended at least a screen resolution of
1024 vertical pixels.