Found in 2 Collections and/or Records:
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.
Robert A. McCabe, an officer in the United States Army and a subagent for the Bureau of Indian Affairs, was born in Pennsylvania in the late 18th century. The letterbook (1829-1838) which forms this collection consists of a bound volume in the handwriting of Robert A. McCabe.