1. Biogeochemistry: A geochemical method for gold exploration in the Canadian shield;Cohen,1986
2. Gold biogeochemistry investigations — Flin Flon area Manitoba;Dunn,1980
3. Biogeochemical investigations of northern Saskatchewan;Dunn,1983
4. The application of biogeochemical methods to mineral exploration in the boreal forests of central Canada;Dunn,1986
5. A case for plants in exploration: Gold in douglas fir at the Red Mountain stockwork, Yellow Pine District, Idaho;Erdman;U.S. Geol. Surv., Open-File Rep. 85–118,1985