• Digital polylines to accompany Hydrogeological Field Notes by Dr. Jozsef Toth: 1964-1969, …
• Digital lines to accompany Hydrogeological Field Notes by Dr. Jozsef Toth: 1964-1969, …
• Hydrogeological Units, Groundwater Geoscience Program
• Hydrogeological regions of Canada
• Provincial (Stream) Water Quality Monitoring Network