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Filtering by: Alternative title ssim Mount St. Helens volcano : recent and future behavior Remove constraint Alternative title ssim: Mount St. Helens volcano : recent and future behavior Advisor Brauner, David R. Remove constraint Advisor: Brauner, David R. Decade 1980-1989 Remove constraint Decade: 1980-1989

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  • The effects of the Mazama tephra-falls : a geoarchaeological approach

    Creator:
    Matz, Stephan E.
    Abstract:
    About 7,000 years ago two major tephra-falls blanketed the Pacific Northwest in volcanic ash. These two tephra-falls, identified as the Llao and climatic tephra-falls, were a part of the eruptive events that led up to the collapse of Mount Mazama to form Crater Lake in the southern Oregon Cascades. The...
    Resource Type:
    Masters Thesis
    Full Text:
    (Newhall and Self 1982) of 6 (Simkin et al. 1981:86). For comparison, Mount St. Helens was rated at a

  • Oregon's early peoples and their relation to the environment : an interpretive approach

    Creator:
    Possiel, William John
    Abstract:
    The dramatic upsurge of contract-supported archaeological activity, generated by legislative action, has precipitated an increase in information about Oregon's prehistoric peoples. This information, however, has not been presented in a format which can be easily understood by the general public. This study presents an account of early peoples in Oregon,...
    Resource Type:
    Masters Thesis
    Full Text:
    processes which underlie and condi- tion human behavior (1979:456). Modern archaeology is an exciting field