Chapter 18





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Mr. Sabol at Ape Cave lava tube main entrance, Mt. Saint Helens, Washington state
Mr. Sabol - Ape Cave, Mt. Saint Helens, Washington

Ape Cave lava tube map, Mt. Saint Helens, Washington state
https://sites.google.com/a/richlandsd.com/sabol-science/earth-science-advanced/chapter-18/Ape%20Cave%20map%2C%20Mt.%20Saint%20Helens%2C%20Wahington.jpg?attredirects=0
































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