40 years of ecosystem recovery from a vantage point (Landsat) in a 6 minute video about Mt St Helens post 1980 eruption: https://svs.gsfc.nasa.gov/13614 https:/

40 years of ecosystem recovery from a vantage point (Landsat) in a 6 minute video about Mt St Helens post 1980 eruption: https://svs.gsfc.nasa.gov/13614 https://svs.gsfc.nasa.gov/13614