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

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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. They also organize, maintain, and publish the geospatial baseline of the Nation's topography, natural landscape, built environment and more.

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Geologic map of the Middendorf quadrangle, Chesterfield County, South Carolina

The Middendorf 7.5-minute quadrangle is located entirely within the Carolina Sandhills region of the upper Atlantic Coastal Plain province in Chesterfield County, South Carolina. The Carolina Sandhills, which has been recognized as a separate region for a long time (e.g., McGee, 1890, 1891; Holmes, 1893), extends from central North Carolina across South Carolina to the western border of Georgia al
By
Florence Bascom Geoscience Center

December 21, 2021—Kīlauea summit thermal maps

A helicopter overflight on December 21, 2021, at approximately 7:30 a.m. HST allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

Geologic map of the Aeolis Dorsa Region, Mars

The Aeolis Dorsa region of Mars, located just north of the global dichotomy boundary, includes the Aeolis and Zephyria Plana, and a depositional basin between them. This interplana region consists of extensive networks of ridges—the eponymous Aeolis Dorsa—and is interpreted as having formed by topographic inversion of fluvial and alluvial deposits. To the south is a nearly 1-km-deep trough (Aeolis
By
Natural Hazards Mission Area, Astrogeology Science Center, Planetary Geologic Mapping

December 9, 2021—Kīlauea summit eruption reference map

This reference map depicts the ongoing Kīlauea summit eruption on December 9, 2021.

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

Mean annual runoff and annual runoff variability map for Oklahoma, 1940–2007

Hydrologic records used to create previously published maps depicting mean annual runoff are biased to a relatively dry period in Oklahoma history that was dominated by droughts. Therefore, the U.S. Geological Survey, in cooperation with the Oklahoma Water Resources Board, developed an updated mean annual runoff and annual runoff variability map for Oklahoma and parts of adjacent States. The updat
By
Oklahoma-Texas Water Science Center

Maps of the Arctic Alaska boundary area as defined by the U.S. Arctic Research and Policy Act—Including geospatial characteristics of select marine and terrestrial features

This pamphlet presents a series of general reference maps showing relevant geospatial features of the U.S. Arctic boundary as defined by the U.S. Congress since 1984. The first generation of the U.S. Arctic Research and Policy Act (ARPA) boundary maps was originally formatted and published in 2009 by a private firm contracted with the National Science Foundation and the U.S. Arctic Research Commis

November 19, 2021—Kīlauea summit eruption reference map

This reference map depicts the ongoing Kīlauea summit eruption on November 19, 2021.

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

November 16, 2021—Kīlauea summit thermal maps

This reference map depicts the ongoing Kīlauea summit eruption on November 16, 2021.

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

November 11, 2021—Kīlauea summit eruption reference map

This reference map depicts the ongoing Kīlauea summit eruption on November 11, 2021.

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

November 9, 2021—Kīlauea summit thermal maps

This reference map depicts the ongoing Kīlauea summit eruption on November 9, 2021.

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

November 4, 2021—Kīlauea summit eruption reference map

This reference map depicts the ongoing Kīlauea summit eruption on November 4, 2021.

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

Geologic map of the State of Hawaii

This geologic map and its digital databases present the geology of the eight major islands of the State of Hawaiʻi. The map should serve as a useful guide to anyone studying the geologic setting and history of Hawai‘i, including ground- and surface-water resources, economic deposits, and landslide or volcanic hazards. Its presentation in digital format allows the rapid application of geologic know
By
Volcano Hazards Program, Volcano Science Center
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