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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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Proximity of agricultural areas to major aquifers in Connecticut Proximity of agricultural areas to major aquifers in Connecticut

Includes manure-storage areas, milk-waste lagoons, and livestock, crop, fertilizer, and pesticide distribution by County.
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