This 1969 publication, titled "Research in Geochemical Prospecting Methods for Native Silver Deposits, Cobalt Area, Ontario, 1966," was produced by the Geological Survey of Canada (Ottawa, Canada). It includes detailed research findings, supplementary maps, and charts specifically analyzing silver deposits. Authored by R.W. Boyle, A.S. Dass, and others, the document reveals significant advancements in geochemical research methodologies. Manufactured in Canada.