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Geological surveys The Barren Lands: J.B. Tyrrell's Expeditions for the Geological Survey of Canada, 1892-1894 
 "Documents two exploratory surveys of the Barren Lands region west of Hudson Bay, in northern Manitoba and Saskatchewan and the area now known as Nunavut" between 1892 and 1894. Contains over "5,000 images from original field notebooks, correspondence, photographs, maps and published reports." Searchable and browsable. Includes biographical information on geologist J.B. Tyrrell and his brother, surveyor and interpreter James W. Tyrrell. Also features interactive expedition maps. From the University of Toronto Library. http://link.library.utoronto.ca/tyrrell/ Topics: Correspondence, Geography, Geology, History, Photograph Collections: Regional Last updated Apr 1, 2006 U.S. Geological Survey (USGS)
USGS earth science information about health hazards, natural resources, and the environment, with news, maps, image databases, and much more. There is a place to post questions about earthquakes, volcanoes, natural resources, forests, and glaciers plus a collection of resources for students and teachers. http://www.usgs.gov/ Topics: Geography, Geology, Science, Science Last updated Oct 28, 2002 |
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