NRCAN Centre for Topographic Information

Using information contained in the National Topographic Data Base, the Centre for Topographic Information in Ottawa produces topographic maps at scales of 1/50 000 and 1/250 000. In addition, the Centre is the custodian of the federal aerial photography archives and offers aerial photography reproduction and distribution services.

Also here, the National Air Photo Library (NAPL) has over six million aerial photographs covering all of Canada, some dating back 70 years.