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USGS Surface Water Information
USGS Hydro-Climatic Data Network (HCDN-2009). This data set is very small, consisting of just an EXCEL file with information on USGS stream gage stations that are unaffected by... -
The North American Breeding Bird Survey (BBS) is a large-scale, long-term mon...
The Breeding Bird Survey (BBS) is a standardized and one of the rare long-term databases of ecological communities. The BBS permits us to understand long-term changes in North... -
SPARROW Surface Water-Quality Modeling
A modeling tool for the regional interpretation of water-quality monitoring data. Internet Archive URL: https://web.archive.org/web/2017*/http://water.usgs.gov/nawqa/sparrow -
USGS Land Cover Institute
The USGS and other agencies and organizations have produced land cover data to meet a wide variety of spatial needs. The USGS LCI has been established to provide access to, and...
