Rollin D. Salisbury earned world-wide fame for his work in the field of Geology. A Beloit graduate of the class of 1881, he worked as a professor at the University of Chicago for 30 years. This collection holds a significant number of Salisbury's publications, as well as print and photocopied articles pertaining to his work and death. There are also a number of photographs and a limited amount of genealogical information.