Mount St. Helens National Volcanic Monument (Paperback)

High Quality Content by WIKIPEDIA articles! Mount St. Helens National Volcanic Monument is a U.S. National Monument that includes the area around Mount St. Helens in Washington. It was established on August 27, 1982 by U.S. President Ronald Reagan following the 1980 eruption of Mount St. Helens. The 110,000 acre (445 km2) National Volcanic Monument was set-aside for research, recreation, and education. Inside the Monument, the environment is left to respond naturally to the disturbance.