Grizzly Buttes, Wyoming, 1962 - 1997, bulk: 1971 - 1988

This series consists of materials related to Gaffney's work in the field in the United States and Australia. Materials include field notes and specimen descriptions; photographs of dig sites, landscapes, specimens, and participants; correspondence with scientific colleagues, AMNH staff, local residents and regulatory bodies, and others; publications and clippings about the region's fossil record and the activities and findings of the fieldwork; and financial materials.

In addition to the above, the materials related to the study, preparation, and execution of Gaffney's six trips to Lord Howe Island in Australia also include publications detailing the island's geology, history, and ecology; tourist information; symposium materials; photographs of fossil digs from the 1950s; and legal documents including temporary residence forms.