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    Item Type: State Publication
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    State Library of Oregon: Oregon Documents
    This archived document is maintained by the State Library of Oregon as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.

    SOTA field trip guide: state of the Cascade arc : stratocone persistence, mafic lava shields, and pyroclastic volcanism associated with intra-arc rift propagation