GIS Data
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Geologic map of the South Boston 30' × 60' quadrangle, Virginia and North Carolina Geologic map of the South Boston 30' × 60' quadrangle, Virginia and North Carolina
This 1:100,000-scale geologic map of the South Boston 30’ × 60’ quadrangle, Virginia and North Carolina, provides geologic information for the Piedmont along the I–85 and U.S. Route 58 corridors and in the Roanoke River watershed, which includes the John H. Kerr Reservoir and Lake Gaston. The Raleigh terrane (located on the eastern side of the map) contains Neoproterozoic to early...
March 17, 2022—Kīlauea summit thermal maps March 17, 2022—Kīlauea summit thermal maps
A helicopter overflight on March 17, 2022, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.
March 4, 2022 - Kīlauea summit eruption reference map March 4, 2022 - Kīlauea summit eruption reference map
This reference map depicts the ongoing Kīlauea summit eruption on March 4, 2022.
March 2, 2022—Kīlauea summit thermal maps March 2, 2022—Kīlauea summit thermal maps
A helicopter overflight on March 2, 2022, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.
Bathymetric map, surface area, and stage-capacity for the U.S. part of Lake Koocanusa, Lincoln County, Montana, 2016–18 Bathymetric map, surface area, and stage-capacity for the U.S. part of Lake Koocanusa, Lincoln County, Montana, 2016–18
The U.S. Geological Survey and U.S. Army Corps of Engineers collected high-resolution multibeam sonar data during 2016–18 to compute stage-area and stage-capacity tables for the U.S. part of Koocanusa Reservoir in Lincoln County, northwestern Montana. Koocanusa Reservoir is a transboundary reservoir extending about 48 miles from Libby Dam upstream to the U.S. international boundary with...
January 28, 2022—Kīlauea summit eruption reference map January 28, 2022—Kīlauea summit eruption reference map
This reference map depicts the ongoing Kīlauea summit eruption on January 28, 2022.