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GNIS
State of Oregon —
The Geographic Names Information System (GNIS) is the Federal standard for geographic nomenclature. The U.S. Geological Survey developed the GNIS for the U.S. Board... -
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Fault Lines
State of Oregon —
This dataset represents structural faults (at the scale of original mapping) and descriptive data and shows the location and type of faults in the state of Oregon.... -
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Alaska Minerals Database
State of Alaska —
DGGS Digital Data Series 18, Alaska Minerals Database, is a working, internal database that supports multiple data products developed by the Alaska Division of... -
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Radon Data
State of Oregon —
The polygons in this feature class are geologic map units assigned a radon potential rank, based on three major geologic factors: geologic materials, aerial... -
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Lidar-derived surface elevation data for Glen Alps, Southcentral Alaska, collected August 17, 2024
State of Alaska —
Lidar-derived surface elevation data for Glen Alps, Southcentral Alaska, collected August 17, 2024, Raw Data File 2025-19, releases classified point cloud, digital... -
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WBDLine NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
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Salt Water Limit
State of Connecticut —
Salt Water Limit is a 1:24000-scale, line feature-based layer that depicts the approximate salt water limits of watercourses and embayments in coastal Connecticut. It... -
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Geologic map of the south-central Sagavanirktok Quadrangle, North Slope, Alaska
State of Alaska —
Geologic map of the south-central Sagavanirktok Quadrangle, North Slope, Alaska, Report of Investigation 2014-4, presents 1:63,360-scale geologic mapping of the... -
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Bedrock geologic map of the eastern Denali Highway area, Mount Hayes, Healy, and Talkeetna Mountains quadrangles, Alaska
State of Alaska —
Report of Investigation 2020-7, Bedrock geologic map of the eastern Denali Highway area, Mount Hayes, Healy, and Talkeetna Mountains quadrangles, Alaska, presents... -
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Connecticut Railroads
State of Connecticut —
Connecticut Railroads is a 1:24,000-scale, feature-based layer that includes railroad features on the U.S. Geological Survey (USGS) 7.5 minute topographic quadrangle... -
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Volcano Hazard
State of Oregon —
Volcanic eruptions are most likely to occur in the Pacific Rim states, which include Oregon. The primary danger area around a volcano covers an approximately 20-mile... -
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Alaska landslide inventory database
State of Alaska —
Alaska landslide inventory database, Digital Data Series 23, provides a catalog of slope instabilities across Alaska and documents the development of the Alaska... -
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Petersville mining district electromagnetic and magnetic airborne geophysical survey data compilation
State of Alaska —
The Petersville mining district electromagnetic and magnetic airborne geophysical survey geophysical survey is located approximately 40 kilometers west of Talkeetna,... -
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Geologic map of the Kavik River area, northeastern Brooks Range, Alaska
State of Alaska —
Report of Investigation 2011-3A, Geologic map of the Kavik River area, northeastern Brooks Range, Alaska, presents 1:63,360-scale geologic mapping of the Mt.... -
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Map of Alaska's coal resources
State of Alaska —
This data contains the location of coal resources within the State of Alaska and created in cooperation with the Alaska Coal Association. Total hypothetical coal... -
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Geology of Kasatochi volcano, Aleutian Islands, Alaska
State of Alaska —
Kasatochi is a small, isolated island volcano in the center of the Aleutian Island chain. It consists of a roughly circular cone approximately 3 km in diameter with a... -
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Geologic Map Index of Alaska
State of Alaska —
The Geologic Map Index of Alaska (Map Index) is a GIS web feature service paired with an interactive web map application that provides access to an actively growing... -
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Elevation Datasets of Alaska
State of Alaska —
This interactive map was designed to view known public-domain elevation datasets (LiDAR and InSAR) in Alaska. The map offers zoom and scroll options, and multiple...