The Earth Sciences Information Centre (ESIC) maintains a comprehensive national collection of geoscience information, which Canadians can research in person or electronically. This is Canada's largest earth sciences collection of books, journals, maps, atlases, and photographs, with national and worldwide coverage. Clients can search ESIC's more than two million holdings on the Library's online catalogue, while the GEOSCAN geoscience database provides in-depth coverage of the published research of the Earth Sciences Sector. ESIC offers reference services, an Ask-a-Geologist service and document delivery. Enquiries can be sent via the web site or e-mailed.

The GSC Bookstore carries about 20,000 geoscientific publications that focus on the geological structure and mineral resources of Canada's landmass, including offshore regions. Reflecting the research of GSC staff, the publications range from maps to memoirs that date back to the early 20th Century. Clients may search the catalogue on-line or e-mail requests.

The Canada Map Office is responsible for distributing maps of the National Topographic Series (NTS) and other Geomatics Canada map products to a network of Regional Distribution Centres across Canada. Each year, these centres distribute more than 400,000 topographic maps to end users through map retailers around the world. E-mail topo.maps@nrcan.gc.ca.

Celebrating its 80th Anniversary, the National Air Photo Library has more than six million aerial photographs covering all of Canada, some dating back 70 years. The Library indexes and stores all federal aerial photography for Canada and maintains a comprehensive historical archive and public reference centre. E-mail napl@nrcan.gc.ca.

For information about places, digital maps, facts, geographical information, and learning resources about Canada, see the Atlas of Canada.

The Canada Lands Survey Records (CLSR) is the official public repository of all original plans, journals, field notes, and other papers connected with surveys made under the authority of the Canada Lands Surveys Act.