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Fundamental Science Practices

USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.

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Filter Total Items: 9495

Location of wells and test holes, Hartford North Quadrangle, Connecticut

No abstract available.

Low flow of streams, Hartford North Quadrangle, Connecticut

No abstract available.

Map of deposits especially susceptible to compaction or subsidence, Parker Quadrangle, Arapahoe and Douglas counties, Colorado

No abstract available.

Map showing approximate density of houses in the Evergreen Quadrangle, Jefferson County, Colorado

No abstract available.

Map showing approximate ground-water conditions in the Parker Quadrangle, Arapahoe and Douglas counties, Colorado

No abstract available.

Map showing approximate locations, depths, and estimated yields of water wells in the Evergreen Quadrangle, Jefferson County, Colorado

No abstract available.

Map Showing Areas Containing Swelling Clay in the Morrison Quadrangle, Jefferson County, Colorado

Formations that contain clays having swelling pressures higher than 2,500 pounds per square foot (as measured by the Potential Volume Change meter) are listed in order of decreasing swelling pressure: Denver Formation, Pierre Shale, Laramie Formation, Green Mountain Conglomerate, Fox Hills Sandstone, and Arapahoe Formation. Some landslides derived from these formations also contain swelling clay a

Map showing areas of past flooding in the Parker Quadrangle, Arapahoe and Douglas counties, Colorado

No abstract available.

Map showing areas of selected potential geologic hazards in the Aspen Quadrangle, Pitkin County, Colorado

No abstract available.

Map showing areas serviced by municipal and private sewerage agencies, San Francisco Bay region, California, 1970

No abstract available.

Map showing avalanche areas in the Aspen Quadrangle, Pitkin County, Colorado

No abstract available.

Map showing construction materials in the Henrys Lake Quadrangle, Idaho and Montana

No abstract available.