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General Information

  • Title: Chemical and mineralogic aspects of observed fractionation of ash from the May 18, 1980 eruption of Mount St. Helens
  • Author(s): Hinkley, T.K., Smith, K.S., Taggart, J.E., and Brown, J.T.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Professional Paper 1397-A
  • Larger Work: Chemistry of ash and leachates from the May 18, 1980 eruption of Mount St. Helens, Washington
  • Publication Date: 1987
  • Map Scale: 1:5,000,000
  • Cross Section: None
  • North Latitude: 48° 0' 0" N (48.0000)
  • South Latitude: 46° 0' 0" N (46.0000)
  • East Longitude: 113° 55' 0" W (-113.9167)
  • West Longitude: 122° 30' 0" W (-122.5000)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.