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Pettijohn, F. J. (Francis John), 1904-1999



  • Existence: 1904 - 1999

Found in 1 Collection or Record:

Ernst Cloos papers

Identifier: MS-0124

Ernst Cloos (1898-1974) was a structural geologist and professor at The Johns Hopkins University. The collection documents Cloos's field work and research through his meticulous, detailed field notebooks and research data dating from 1921-1980.

Dates: 1921-1980

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  • Subject: Virginia X