GIS Data
USGS is a primary source of geographic information system (GIS) data. Our data and information is presented in spatial and geographic formats, including The National Map, Earth Explorer, GloVIS, LandsatLook, and much more. Explore GIS Data Maps.
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Surficial materials of Massachusetts—A 1:24,000-scale geologic map database Surficial materials of Massachusetts—A 1:24,000-scale geologic map database
The surficial materials geologic map database defines the distribution of nonlithified earth materials at the land surface in the 189 7.5-minute, 1:24,000-scale quadrangles that cover the Commonwealth of Massachusetts (index map). Across the State, these materials range in thickness from a few feet to more than 500 feet (ft). In some places, surficial materials are absent where bedrock...
Streamflow distribution maps for the Cannon River drainage basin, southeast Minnesota, and the St. Louis River drainage basin, northeast Minnesota Streamflow distribution maps for the Cannon River drainage basin, southeast Minnesota, and the St. Louis River drainage basin, northeast Minnesota
Streamflow distribution maps for the Cannon River and St. Louis River drainage basins were developed by the U.S. Geological Survey, in cooperation with the Legislative-Citizen Commission on Minnesota Resources, to illustrate relative and cumulative streamflow distributions. The Cannon River was selected to provide baseline data to assess the effects of potential surficial sand mining...
Surficial geologic map of Berrien County, Michigan, and the adjacent offshore area of Lake Michigan Surficial geologic map of Berrien County, Michigan, and the adjacent offshore area of Lake Michigan
The surficial geologic map of Berrien County, southwestern Michigan (sheet 1), shows the distribution of glacial and postglacial deposits at the land surface and in the adjacent offshore area of Lake Michigan. The geologic map differentiates surficial materials of Quaternary age on the basis of their lithologic characteristics, stratigraphic relationships, and age. Drill-hole information
Map of Flow Field Map of Flow Field
This map shows recent changes to Kīlauea’s East Rift Zone lava flow field.
Thermal map of flow field Thermal map of flow field
Thermal map over the Episode 61g lava flow.
Regional water table (2016) in the Mojave River and Morongo groundwater basins, southwestern Mojave Desert, California Regional water table (2016) in the Mojave River and Morongo groundwater basins, southwestern Mojave Desert, California
From January to April 2016, the U.S. Geological Survey (USGS), the Mojave Water Agency, and other local water districts made approximately 1,200 water-level measurements in about 645 wells located within 15 separate groundwater basins, collectively referred to as the Mojave River and Morongo groundwater basins. These data document recent conditions and, when compared with older data...