Early History
PASDA became operational in 1996 serving, at that time, approximately 35 Geographic information system (GIS) data sets and metadata. By the end of 2006, PASDA provides access to thousands of data sets and many terabytes of data including data from many state agencies such as the Pennsylvania Department of Environmental Protection (DEP), PennDOT, and Pennsylvania Department of Health, Federal government agencies including United States Geological Survey (USGS) and Bureau of the Census, local governments such as the City of Philadelphia, river conservation plans, and PAMAP imagery, digital raster graphics (topo maps), digital elevation models, and biological data for fish and birds in the Commonwealth.
Read more about this topic: Pennsylvania Spatial Data Access
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