Merriam was a researcher in the Kansas Geological Survey at the University of Kansas. This collection consists of correspondence, notes, book drafts, and research materials.

William Hambleton was a distinguished geologist in the state of Kansas, both with the Kansas Geological Survey and as a professor at the University of Kansas. The collection includes Hambleton's vita, articles written in appreciation of Hambleton, Kansas Geological Survey documents and publications, and the many awards presented to Hambleton in the form of certificates and plaques.