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by Frye, Theodore C. (Theodore Christian), 1869-1962
Published 1914 -
by Christensen, James R.
Published 1981 -
Mount St Helens eruptions of 1980atmospheric effects and potential climatic impact a workshop reportConference Proceeding BookPublished 1982
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by Haig-Brown, Roderick, 1908-1976
Published 1941 -
by Phillips, Earl L.
Published 1965