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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 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.

Map showing potential source areas for non-metallic mineral resources, Morrison Quadrangle, Jefferson County, Colorado

No abstract available.

Map showing ranges in probable maximum well yield from water-bearing rocks in the San Francisco Bay region, California

This map presents generalized information regarding the probable maximum yields of wells in the rocks of the San Francisco Bay region.  It is intended to serve the needs of planners and other persons seeking general information on potential yields from water wells.  Four ranges in probable yield, based on adequacy of the range in yield for major beneficial uses of water, are given.  The ranges are