Geotimescale Enhanced HD App Review
Feb 09, 12
Students studying geology at a high school or college level will find Geotimescale to be an easy to use reference chart for memorizing the geologic time scale and a springboard to further geology studies.
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For homeschoolers, by a homeschooler. I'm Jennifer Bogart, a homeschooling mom of four, 8 months - 8 years. I'm an app-loving, aspiring geek dedicated to helping you hunt down the best homeschooling apps for your children. There are a lot of apps out there, let me help you narrow them down. 
