2005. Ithaca-Tompkins County Transportation Council and Tompkins County ITS GIS Division. Road Centerlines for Tompkins County. The road centerlines serve as a base map for streets and addresses.
2000. U.S. Census Bureau. CUGIR, the Cornell University Geospatial Information Repository, using US Department of Commerce, Bureau of the Census data, developed the GIS data...
2000. U.S. Census Bureau. CUGIR, the Cornell University Geospatial Information Repository, using US Department of Commerce, Bureau of the Census data, developed the GIS data...
1998. Ithaca-Tompkins County Transportation Council and Tompkins County ITS GIS Division. Bikeways in Tompkins County Provides a location of bikeways in Tompkins County.