How to use the Open Courseware Directory (OCD)1 -- Make an initial subject selection from 'Main Subject Areas' above (e.g. 'Physical Sciences'). 2 -- Choose a specific subject (e.g. 'Physics' from 'Physical Sciences' menu above). 3 -- Refine with terms from 'Media Type' and 'Level' to restrict the results (e.g. 'Video' to find all video OCW for physics). Who's onlineThere are currently 0 users and 15 guests online.
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Historical Geologystudy of the history of earth and life through time, overview of evolution, fossils, dinosaurs, geologic time, radiometric dating, origin of the earth, environments, geologic history of North America
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