West Philadelphia

West Philadelphia Partnership
West Philadelphia Empowerment Zone
Penn Libraries - 1990 Census data set (STF 1A) for West Philadelphia.
Penn Libraries - Philadelphia neighborhoods bibliography
Penn Libraries - Further Information on Philadelphia

Landscape Architecture

East St Louis Action Research Project
Landscape Architecture Virtual Library

Planning

Philadelphia City Planning Commission
Delaware Valley Regional Planning Commission

Mapping and GIS

Penn Libraries - Information on Digital Orthophoto Quadrangle maps available from the USGS
Environmental Planning and Web Sites
GIS World Online Magazine
GIS WWW Resource List
The City Simulator -- Urban simulation project at UCLA

Hydrology

City of Philadelphia Water Department
Hydrology Data Resources
Hydrology Web
USGS - Hydrology Primer
USGS - Water Resources Information
Hydrology and Hydrogeology Digital Resources
Hydrology Links (maintained by Watershed Modeling Systems)
Center for Urban Ecology, Washington, D.C.

Urban Forestry

Urban and Community Forestry Resources Guide