GIS: Other Suggested Resources
Resources for integrating GIS into the social sciences. Includes materials on methods, tools, techniques, software, data access, and more.
A center within Columbia University's Earth Institute, CIESIN provides an extensive gateway to data and other information focusing on human interactions in the environment. Provides a topic search as well as subject access to spatial and tabular data sets held by CIESIN or hosted on its web site.
Contains data from the 1790-1960 U.S. Housing and Population censuses. Browse by state/county or by topic, produce tables, and/or create ratios. Also includes "Map it" feature which generates interactive maps at the national, state, or county levels.
From GeoLytics, the NCDB offers normalized Census Tract data from 1970 - 2000 for all urban areas of the country. One can generate custom reports and maps within the NCDB. Files are easily imported into GIS software or other statistical packages for analysis.
PA's official public access clearinghouse for geospatial data. Includes access to aerial photographs (DOQQs), soils data, and more. Try the easy to use "Pennsylvania Imagery Navigator" for quick access to imagery and raster data including topographic maps.
From the US Census Bureau, this site offers current data on people, housing, business and government in tabular form (importable to GIS or statistical software) or as ready-made thematic maps. Sources include the American Community Survey, the Decennial Census of Population and Housing, and the Economic Census.
Digitized maps of towns or cities in Pennsylvania originally created for use by fire insurance companies. Maps are drawn to a scale of 50 feet to an inch; list street blocks and building numbers; and are coded for building materials used. For color versions of those maps that are no longer under copyright, see the collection hosted by Penn State's map library.