A seamless Paleozoic geology cover of southern Ontario, based primarily on 1:50,000 scale maps produced over the past 33 years. Time period of content: 1974 to 2007.
Attributes associated with this data: lines, hummocks, dunes, geographic townships, provincial boundary, latitude and longitude grid, lakes, drainage, roads.
This publication can be found on the Geology Ontario website.
See the Geology Ontario Spatial Search tool or the OGS Earth Downloads page.
Ontario Geological Survey Publications - Paleozoic Geology of Southern Ontario (MRD219)