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Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. 

Filter Total Items: 8997

Map showing recently active breaks along the San Andreas Fault between Point Delgada and Bolinas Bay, California

No abstract available.

Map showing recently active breaks along the San Jacinto fault zone between the San Bernardino area and Borrego Valley, California

No abstract available.

Map showing relative ages of faults in the Sugar House Quadrangle, Salt Lake County, Utah

No abstract available.

Map showing relative ease of excavation in the Aspen Quadrangle, Pitkin County, Colorado

No abstract available.

Map showing relative ease of excavation in the Salina quadrangle, Utah

This map shows the relative ease (or difficulty) with which rocks and surficial deposits can be excavated. Because of rapidly changing technology of excavation and considerable local variability of many rock units, it is not practical to specifically categorize rock units according to type of equipment needed for their excavations. However, it may be stated in general that rock units classed as ve

Map showing relative ease of excavation of geologic units in the Henrys Lake Quadrangle, Idaho and Montana

No abstract available.

Map showing relative erodibility of geologic materials in the Parker quadrangle, Arapahoe and Douglas Counties, Colorado

No abstract available.

Map showing relative excavatability of geologic materials in the Parker Quadrangle, Arapahoe and Douglas counties, Colorado

No abstract available.

Map showing relative permeability of rocks and surficial deposits of the Aspen Quadrangle, Pitkin County, Colorado

No abstract available.

Map showing relative swelling-pressure potential of geologic materials in the Parker Quadrangle, Arapahoe and Douglas counties, Colorado

No abstract available.

Map showing seiche, rockslide, rockfall, and earthflow hazards in the Henrys Lake quadrangle, Idaho and Montana

No abstract available.

Map showing snow avalanche probabilities in the Henrys Lake Quadrangle, Idaho and Montana

No abstract available.