Geologic constraints map of the Las Vegas SE 7.5' Quadrangle, by John W. Bell, 1978.

Map of the Las Vegas SE 7.5' Quadrangle showing eight categories of caliche problems, three categories of soluble sulfate hazard, two categories of general constraints, three categories of fault hazard, areas of fissuring hazard, also giving detailed information for selected data points.

Map 3Am, 29x21", 1:24,000-scale full-color map, $2.00