Geologic map of the Verdi 7.5' Quadrangle, by John W. Bell and Larry J, Garside, 1987. Geologic map of the Verdi 7.5' Quadrangle showing geology, structure, altered rock, and a tephra locality plus brief descriptions of 46 geologic units and a correlation column
Map 4Gg, 29x21", 1:24,000-scale full-color map, $7.00