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Federal
Depth to Mesozoic basement for the USGS National Crustal Model recent views
Department of the Interior —
We present a numeric grid containing estimates of the depth to the pre-Cenozoic basement for the western United States. Values for these grids were combined and... -
Federal
Components of the USGS National Crustal Model recent views
Department of the Interior —
Seismic hazard assessments depend on an accurate prediction of ground motion, which in turn depends on a base knowledge of three-dimensional variations in density,... -
Federal
Thickness of unconsolidated sediments for the USGS National Crustal Model recent views
Department of the Interior —
We present a numeric grid containing estimates of the thickness of unconsolidated sediments for the western United States. Values for these grids were combined and...