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Eco House

By Lamiot (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0-2.5-2.0-1.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
by Sorby, Coty E last modified Nov 25, 2013 05:28 PM

Teaching Resources CTA

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