Mount Saint Helens can be seen in this screen grab from the Washington State Department of Natural Resources’ lidar map. The 1980 eruption blew out the northern side, top, of the volcano, while the southern side shows volcanic flows from ancient eruptions.
Mount Saint Helens can be seen in this screen grab from the Washington State Department of Natural Resources’ lidar map. The 1980 eruption blew out the northern side, top, of the volcano, while the southern side shows volcanic flows from ancient eruptions. Department of Natural Resources Courtesy
Mount Saint Helens can be seen in this screen grab from the Washington State Department of Natural Resources’ lidar map. The 1980 eruption blew out the northern side, top, of the volcano, while the southern side shows volcanic flows from ancient eruptions. Department of Natural Resources Courtesy

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