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Geology Department Glass Slides Collection
Collection contains 71 glass slides mainly depicting mining areas and locations visited or surveyed by the U.S. Geological Survey during the early twentieth century. Locations include various regions of the United States and other countries.
Laurence Louis Sloss (1913-1996) Papers
The Papers of stratigraphic and petroleum geologist Laurence L. Sloss, who taught at Northwestern University from 1947-1981, consist of correspondence, publications, fieldwork (notes and maps), publications, and photographs.