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1. Estimated Percentages of Impervious Surfaces in 2001, Derived from the National Land Cover Database (NLCD 2001): Indiana

2001. United States Geological Survey. IS2001USGS_IN is a grid (30-meter cell size) showing estimated percentages of impervious surfaces in Indiana in 2001. This grid is a subset of the ...

2. Index to U.S. Geological Survey Streamflow Gauging Stations: Indiana

2016. United States Geological Survey. STREAMFLOW_GAUGING_STATIONS_USGS_IN is a point shapefile intended for use as a layer in geographic information systems software. It shows the appro...