Slope map of the South Lake Tahoe 7.5' Quadrangle, by USGS, 1973. Map of the South Lake Tahoe 7.5' Quadrangle showing the steepness, or slope, of the land surface as color areas that represent five ranges of percent of slope.

Map 2Ab, 29x21", 1:24,000-scale full-color map, $2.00