File Date Size Aquidneck Island Water Supply Watersheds (png) 7/1/2003 1.6 MB Vacant Unconstrained Land by Soil Hydrologic Group (png) 7/1/2003 0.3 MB Water Resources and Potential Sources of Pollution (png) 7/1/2003 2.7 MB Soil Hydrologic Groups and Water Table Depth (png) 7/1/2003 1.0 MB Potential Pollution Hotspots 7/1/2003 1.0 MB Land Use / Land Cover Updates 7/1/2003 1.0 MB