Groundwater map of the Genoa 7.5' Quadrangle, by Douglas K. Maurer, 1992.

Map of the Genoa 7.5' Quadrangle showing four categories of yield capability for water wells, in addition shows depth-to-groundwater contours, and groundwater quality.

Map1Cf , 29x21", 1:24,000-scale full-color map, $2.00