GIS Data
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Small-scale map of flow field Small-scale map of flow field
This small-scale map shows Kīlauea’s active East Rift Zone lava flow in relation to the eastern part of the Island of Hawai‘i.
Map showing flow field changes Map showing flow field changes
This map shows recent changes to Kīlauea’s active East Rift Zone lava flow field.
Seabed maps showing topography, ruggedness, backscatter intensity, sediment mobility, and the distribution of geologic substrates in Quadrangle 6 of the Stellwagen Bank National Marine Sanctuary Region offshore of Boston, Massachusetts Seabed maps showing topography, ruggedness, backscatter intensity, sediment mobility, and the distribution of geologic substrates in Quadrangle 6 of the Stellwagen Bank National Marine Sanctuary Region offshore of Boston, Massachusetts
The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration's National Marine Sanctuary Program, has conducted seabed mapping and related research in the Stellwagen Bank National Marine Sanctuary (SBNMS) region since 1993. The area is approximately 3,700 square kilometers (km2) and is subdivided into 18 quadrangles. Seven maps, at a scale of...
Bathymetry and capacity of Chambers Lake, Chester County, Pennsylvania Bathymetry and capacity of Chambers Lake, Chester County, Pennsylvania
Introduction Chambers Lake is a manmade reservoir on Birch Run, a tributary to West Branch Brandywine Creek in Chester County, Pennsylvania. The lake was created in 1994 after the completion of Multi-Purpose Dam PA-436F (Hibernia Dam), which was built under the Watershed Protection & Flood Control Prevention Act (U.S. Soil Conservation Service, 1991). Hibernia dam is 1,700 feet upstream...
Small-scale map of flow field Small-scale map of flow field
This small-scale map shows Kīlauea’s active East Rift Zone lava flow in relation to the eastern part of the Island of Hawai‘i.
Map showing flow field changes Map showing flow field changes
This map shows recent changes to Kīlauea’s active East Rift Zone lava flow field.