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Hydrology
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2001
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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. Hydrography, Tompkins County NY, 2001
2001. Tompkins County Planimetric Project. The Tompkins County Planning Department utilized inter-departmental mapping expertise of the Tompkins County Information Technology Services GIS Di...
3. Potential Aquifer Recharge Areas: Monterey County, California, 2001
2001. Feeney, Martin B. and Rosenberg, Lewis I. This polygon shapefile contains areas for potential recharge of high to moderate infiltration capacity and low to moderate water holding capacity s... Monterey County (Calif.). Planning Department.
4. Water-well and Borehole Locations from Version 1.03 4-12-01 of the iLITH Database: Indiana
2001. O'Neal, Michael A. This point shapefile was created to display in a Geographic Information Systems (GIS) environment the data points that represent water wells and bo...