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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: 8999

Map showing general chemical quality of ground water in the Salina quadrangle, Utah

The general chemical quality of water was determined from quality-of-water data collected by the U.S. Geological Survey and cooperating State, local, and Federal agencies. Sources of data include springs, and wells that tap aquifers at depths of less than 1,000 feet. In areas where quality-of-water data are inadequate or lacking, the limits of dissolved solids are inferred from geologic data. More
By
Water Resources Mission Area, Utah Water Science Center

Map showing geologic and structural control of ore deposits, Montezuma district, central Colorado

No abstract available.

Map showing geologic constraints on the placement of sanitary landfills in the Henrys Lake Quadrangle, Idaho and Montana

No abstract available.

Map showing ground-water potential in the Aspen Quadrangle, Pitkin County, Colorado

No abstract available.

Map showing inferred relative permeability of geologic materials in the Morrison Quadrangle, Jefferson County, Colorado

No abstract available.

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

No abstract available.

Map showing landslide deposits and areas of potential landsliding in the Parker Quadrangle, Arapahoe and Douglas counties, Colorado

No abstract available.
By
Natural Hazards Mission Area, Landslide Hazards Program, Geologic Hazards Science Center

Map showing landslides and areas of potential landsliding in the Salina quadrangle, Utah

The term “landslide” is broadly defined as any “downward and outward movement of slope-forming materials composed of natural rock, soils, artificial fills, or combinations of these materials. The moving mass may proceed by any one of three principal types of movement: falling, sliding, or flossing, or by their combinations” (Varnes, 1958). Landslides and areas of potential landslides are fairly co
By
Natural Hazards Mission Area, Landslide Hazards Program, Geologic Hazards Science Center

Map showing landslides and areas susceptible to landsliding in the Morrison Quadrangle, Jefferson County, Colorado

No abstract available.
By
Natural Hazards Mission Area, Landslide Hazards Program, Geologic Hazards Science Center

Map showing length of freeze-free season in the Salina quadrangle, Utah

In general, long freeze-free periods occur at low elevations, and short freeze-free periods occur at high elevations. But some valley floors have shorter freeze-free seasons than the glancing foothills because air cooled at high elevations flows downward and is trapped in the valleys. This temperature pattern occurs in the western part of the quadrangle in Rabbit Valley, Grass Valley, and the Sevi

Map showing mines, prospects, and areas of significant silver, lead, and zinc production in the Aspen quadrangle, Pitkin County, Colorado

No abstract available.

Map showing normal annual and monthly precipitation in the Salina quadrangle, Utah

No abstract available.