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Augment earth science teaching with dramatic 3-D views from stereophotographs and maps. Books are 8-1/2" x 11", plastic bound to lie flat, and in convenient classroom sets of 10. Require stereoscope for viewing.Standard topographical contour maps of 10 typical landforms are shown opposite special 3-D stereo contour maps of each to help students learn to visualize relief from contour maps; 32 pages. Set of 10.
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