Useful GIS Links (All Links Leave The Berks County Website) County GIS Professionals Association of Pennsylvania Environmental Systems Research Institute (ESRI) - GIS Software Federal Emergency Management Agency - FEMA Flood Map Service Center Federal Geographic Data Committee (FGDC) Pennsylvania Geospatial Technologies Office Pennsylvania Department of Conservation and Natural Resources (DCNR) GIS Pennsylvania Department of Environmental Protection (DEP) GIS Pennsylvania Mapping and Geographic Information Consortium (PAMAGIC) Pennsylvania Map Program - DCNR Bureau of TopoGeo - PAMap Program Pennsylvania Spatial Data Access (PASDA) - Pennsylvania GIS Data Clearinghouse Pennsylvania Department of Transportation (PennDOT) PennShare Portal United States Geological Survey United States Census Bureau - Geography