Published February 1982. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Keyword:Volcanic ash, tuff, etc. -- Northwest, Pacific Range plants -- Northwest, Pacific Saint Helens, Mount (Wash.) -- Eruption, 1980 Rangelands -- Effect of volcanic eruptions on -- Northwest, Pacific