The fonds consists of materials generated in the exploration and operating process of Blackdome Exploration Ltd., and the Blackdome Mining Corporation. This includes: maps, mine plans and technical drawings, slides, photographs, geological reports, proposals, correspondence, environmental impact statements, budgets, a Masters degree thesis from the University of Alberta, exploration notes, operations reports, operating costs, geological interpretations, memorandums, recommendations, evaluations, production summaries, economic performance reports, personnel files, accounting charts, feasibility studies, annual and quarterly reports, news releases, press clippings, diamond drill hole logs and summaries, and several artifacts.

The fonds consists of agreements and printed material detailing the activities of the United Steelworkers of America in British Columbia (1966-1973) and personal correspondence relating to King's activities (1973-1975).