The loose pages document the field work of Robert J. Horodyski in Utah, 1987. It begins with a locality index with notations if a "good place to go." Most of the field book is a photocopy. Entries list identifier (e.g. 58629.7), description, and location information.
Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at osiaref@si.edu.