The collection consists of an unprocessed accession (94/36) which includes approximately 955 photographs, brochures, periodicals, newspaper clippings, certificates and a press release documenting Dr. Aaro Aho's exploration and field work in the Yukon, especially related to Dynasty, Cyprus Anvil, Aex and Grumm, Goda and Plata projects. The collection also contains a copy of Dr. Aho's unpublished manuscript, "Notes on Keno Hill", written ca. 1972. In 27 chapters he details the history of the Keno Hill Silver District.