| Who What Where WhenWHEN | REFINE  Browse All : Images by Jones, David R. and U.S. Geological Survey from 1981
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       Author [U.S. Geological Survey, Alpha, Tau Rho, Morley, James M., Moore, James G., Jones, David R.] Full Title Physiographic Diagrams of Mount St. Helens, Washington, Showing Changes in its Summit Crater, Summer 1980. Publisher U.S. Geological Survey Author [U.S. Geological Survey, Alpha, Tau Rho, Morley, James M., Moore, James G., Jones, David R.] Full Title Physiographic Diagrams of Mount St. Helens, Washington, Showing Changes in its Summit Crater, Summer 1980 - Continued. Publisher U.S. Geological Survey Author [U.S. Geological Survey, Alpha, Tau Rho, Morley, James M., Moore, James G., Jones, David R.] Full Title Physiographic Diagrams of Mount St. Helens, Washington, Showing Changes in its Summit Crater, Summer 1980 - Continued. June 5, 1980. July 1, 1980. August 1, 1980. August 10, 1980. Publisher U.S. Geological Survey Author [U.S. Geological Survey, Alpha, Tau Rho, Morley, James M., Jones, David R., Dingler, John R.] Full Title Physiographic Diagram of the Upper Carmel Canyon and Point Lobos, California. Publisher U.S. Geological Survey 
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