Addendum: Grand Marias Trip [folder found among Richard C. Anderson's materials], undated

The Carl Leland Horberg papers, 1932-1955 and undated, are arranged into one series: Subject Files.

The Subject Files series contains academic and business correspondence, assorted publications by Horberg and other scholars, correspondence related to Carbon 14 dating, correspondence about the Chicago Academy of Science, and materials from conferences. Of particular interest, this series consists of materials pertaining to Horberg's work with the Journal of Geology's Editorial Committee. Items include business correspondence, meeting notes, business statistics, and publications on editing and publishing. Additionally, the series consists of student advisee files and academic materials from Horberg’s engagements while employed the University of Chicago. Materials include business correspondence, meeting minutes, and agendas of the Committee on Publications in the Physical Sciences; enrollment statistics for the physical sciences division, geology course descriptions, major requirements, and outlines; and correspondence between Horberg and anthropology department faculty regarding collaboration.