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National Topographic Data Base (NTDB)
The NTDB provides a base of properly structured vector data (segmentation, mathematical closure, connection and sharing between entities) designed and suited for geographic... -
Ground Control Database, Canada
The GCDB was initially developed to supplement processing and/or correction of LANDSAT and SPOT data for value added satellite imagery products. -
CanVec, Canada
CanVec aims to have standardized and actualized representation of topographic phenomenon for the entire Canadian landmass.