| Abstract: | This collection is centered on Yocum’s academic and professional interests in horticulture, botany and geology as well as his personal interests in musical composition, his family’s history and Christian religion and his role in the creation and development of Tucson Botanical Gardens. Items included in the collection are his notes on botany, research into palm trees, publications, autobiographical and family history information, press clippings; records regarding the Rockhounds, the Arizona branch of the International Palm Society and Tucson Botanical Gardens. | |