/library/taxonomy/term/775/all en /library/find/maps/deglaciation <p>This dataset contains digital, geo-spatial information about the Deglaciation of North America, released as Geological Survey of Canada Open File 1574. The geo-spatial information includes the glacial margins at defined time slices and carbon 14 dated sample locations used to define these glacial margins. In total, 32 time slices are presented ranging from 5000 to 102500 years ago.</p> <p><img alt="Sample Map from Open File 1547" height="345" width="400" style="height: 345px; width: 400px;" class="file-original " src="/library/files/library/images/deglace.gif" /></p> Thu, 01 Dec 2011 17:30:05 +0000 gregory.houston@mcgill.ca 4958 at /library