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Mount Rushmore Badlands Wind Cave Jewel Cave & Minuteman Missile South Dakotavideorecording (DVD)Published 2014
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San Antonio missionsand the Alamo Presidio La Bahia (Goliad) & El Camino Real Texasvideorecording (DVD)Published 2014
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Published 2014
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Bill Nye's Solving for XVariables balancing equations dimensional analysis & linear equations Algebra I Volume 1videorecording (DVD)Published 2009
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Bill Nye's Solving for XInfinite fractions exponents signed numbers & proportional reasoning Pre-algebra Volume 1videorecording (DVD)Published 2009
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Published 2015