| This Exploring
Maps—Teaching Packet—PDF Version was originally
published and printed in 1993. The online edition contains
full text from the original publication. Some images have been modified or added to improve
the scientific visualization of information. All poster text and images are available under the
Poster section. To view and print PDF's install the Acrobat® Reader,
available at no
charge from Adobe Systems. This document has undergone official review and approval for
publications established by the National Mapping Division, U.S. Geological Survey.
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