Geologic map of the Toquima caldera complex, by David R. Boden, 1992.

A very detailed 1:48,000-scale geologic map of the Mount Jefferson, Moores Creek, and Trail Canyon calderas in the central Toquima Range, with four cross sections. Geologic setting, eruptive centers, structural evolution, and mineralization are discussed in the accompanying text.

Map 98, 8 pages, one 40x46" full-color plate, $15.00