Vincent Ellis McKelvey (1916 - 1987) was a geologist who became Director of the United States Geological Survey
Showing posts with label Geologist. Show all posts
Showing posts with label Geologist. Show all posts
Monday, 6 June 2011
Leading US earth scientist
Vincent Ellis McKelvey (1916 - 1987) was a geologist who became Director of the United States Geological Survey
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