Not Open

Scanned images of the colour photographs found at the call number: AP(R) 3524 T61A4 20 1992 in the map library

Scanned images of the colour photographs found at the call number: AP(R) 3524 T61A4 5 1990 in the map library

Grid System: 3 Degree and 6 Degree
Vertical datum: unknown
Horizontal Accuracy:
Vertical Accuracy: N/A

Horizontal Accuracy: Linear features are within 2.5m of the centreline of construction.
Other features are relative to the linear features.
Vertical Accuracy: N/A

The Digital Data Series encompasses a broad range of digital data, including computer programs, interpreted results of investigations, comprehensive reviewed data bases, spatial data sets, digital images and animation, and multimedia presentations that are not intended for printed release.

The Digital Data Series encompasses a broad range of digital data, including computer programs, interpreted results of investigations, comprehensive reviewed data bases, spatial data sets, digital images and animation, and multimedia presentations that are not intended for printed release.

The Digital Data Series encompasses a broad range of digital data, including computer programs, interpreted results of investigations, comprehensive reviewed data bases, spatial data sets, digital images and animation, and multimedia presentations that are not intended for printed release.

A hydrologically conditioned Digital elevation Model has been developed for the Greater Toronto Area of southern Ontario and for Lake Ontario. The model has been developed from 1:50 000 NTDB data onshore and Canadian Hydrographic Service bathymetric point data for Lake Ontario.

Each year, Environment Canada produces a National HYDAT CD-ROM which provides rapid access to a stand alone version of the National Water Data Archive.