Geologic Map of North America

The Geologic Map of North America was published in 2005 by John C. Reed, Jr. (USGS), John O. Wheeler (Geological Survey of Canada), and Brian E. Tucholke (Woods Hole Oceanographic Institution). This is an amazing piece of work that covers the entire continent of North America at a scale of 1:5,000,000. The map [...]

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Natural Resources Canada Toporama

Natural Resources Canada has created a digital topographic map for the entire country that can be viewed in Google Earth. The map is based on the WMS map service, which can be a little tricky to set up in Google Earth so I went ahead and set them all up. Just click on the [...]

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