Geological Survey (U.S.) & Pearson, R. C. (1990). Map showing mineral resource assessment for silver, cobalt, and base metals in Proterozoic sedimentary rocks and for iron, chromium, nickel, talc, chlorite, gold, and graphite in Archean crystalline rocks, Dillon 1 x 2 quadrangle, Idaho and Montana. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and Robert Carl Pearson. Map Showing Mineral Resource Assessment for Silver, Cobalt, and Base Metals in Proterozoic Sedimentary Rocks and for Iron, Chromium, Nickel, Talc, Chlorite, Gold, and Graphite in Archean Crystalline Rocks, Dillon 1 X 2 Quadrangle, Idaho and Montana. Reston, Va.: The Survey, 1990.
MLA (9th ed.) CitationGeological Survey (U.S.) and Robert Carl Pearson. Map Showing Mineral Resource Assessment for Silver, Cobalt, and Base Metals in Proterozoic Sedimentary Rocks and for Iron, Chromium, Nickel, Talc, Chlorite, Gold, and Graphite in Archean Crystalline Rocks, Dillon 1 X 2 Quadrangle, Idaho and Montana. The Survey, 1990.