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HallAstroGeo
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Showing posts from November, 2017
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November 30, 2017
link to geologic timeline slide show
November 20, 2017
Rocks for rock identification Quiz
November 20, 2017
Why do geologists study rocks?
November 20, 2017
Extra Credit assignment for the Rock Cycle unit.
November 17, 2017
Hydrologic Slideshow
November 16, 2017
New Assignments
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