- Blackbird Mining District
| Slack, J.F. (2007), In: O'Neill, J.M. (ed.): Metallogeny of Mesoproterozoic Sedimentary Rocks in Idaho and Montana - Studies by the Mineral Resources Program, U.S. Geological Survey, 2004–2007. USGS Open-File Report 07-1280, pp. 21-28 |