Trajectory of the Mt. St. Augustine 1976 Eruption Ash Cloud

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Science  30 Jul 1976:
Vol. 193, Issue 4251, pp. 420-422
DOI: 10.1126/science.193.4251.420


The ash clouds from the 23 January 1976 eruption of Mt. St. Augustine in Alaska drifted over Arizona on 25 January at an altitude of 6 kilometers as deduced from air trajectories and the observation of an unusual cloud.