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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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Map showing unconsolidated materials, Manchester quadrangle, Connecticut Map showing unconsolidated materials, Manchester quadrangle, Connecticut

This map describes the type, thickness, and distribution of unconsolidated materials. It is intended to serve as an aid in planning and evaluation of areas and in identifying areas of potential economic deposits.
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