HYDROGRAPHY

Interactive digital atlas of the world containing many thematic maps of the world and individual countries. Text in Italian.

Download topographic vector data for all of the United States.

Online mapping data for the city of Ottawa

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

Intranet location:
U:/geodata/canada/canada_sets/canmapwater/