Found in 4 Collections and/or Records:
Ernst Cloos papers
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.
Francis Pettijohn papers
Francis John Pettijohn (1904-1999) was an American geologist.This collection consists of research materials and notes from 1929 through 1951. This collection is unprocessed.
James Croll letter
James Croll (1821-1890) was a Scottish geologist and climatologist. This collection consists of one letter of James Croll to Henry Sidgwick, May 12, 1883, asking for Sidgwick's opinion of an article.
Robert Balk papers
The papers of geologist, Robert Balk, include research files, photographs, writings, correspondence, and approximately 50 field notebooks. The materials date from 1922 to 1956.