Providing on-line non-downloadable software for determining subsurface geological conditions, earthquake ground shaking potential, spatial location of isolated boulder fields, caliche or other hidden layers, relative differences in subsurface soil strength, and problematic variations in the strength of subsurface materials

Downloadable computer software for determining subsurface geological conditions, earthquake ground shaking potential, spatial location of isolated boulder fields, caliche or other hidden layers, relative differences in subsurface soil strength, and problematic variations in the strength of subsurface materials