Deposits of Pre-1980 Pyroclastic Flows and Lahars from Mount St. Helens Volcano, Washington
Description:
From introduction: This report describes the character, origin, age, and extent of deposits of pyroclastic flows and lahars that were formed at Mount St. Helens before 1980, and their stratigraphic relations to other rocks and deposits of volcanic and glacial origin.
Date:
1987
Creator:
Crandell, Dwight Raymond
Partner:
UNT Libraries Government Documents Department