Digital Terrain Model of Southern Ontario - Durham
Derived from orthophotos at 20CM resolution
Derived from orthophotos at 20CM resolution
Note that some layers are free to download. Others must be requested through the Map and Data Library. All roads can be found for public use at this url http://gis.ny.gov/gisdata/inventories/details.cfm?DSID=932
Comprehensive general atlas of the World. Contains general data as well.
This CD-ROM contains a digital atlas of the countries of North Eurasia.
This CD-ROM contains a digital atlas of the countries of North America.
This CD-ROM contains a digital atlas of the countries of Europe.
Datasets include addresses, boundaries, existing land use and zoning, orthophoto mosaic, public spaces, street casing, street centrelines, transit, vegetation, civic numbers, DEM, contours, and property fabric.
online repository in the National Spatial Data Clearinghouse program.
Request tiles from map library staff