What do maps show?

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [1992?]
Subjects:	Cartography > Study and teaching (Elementary) Maps > Study and teaching (Elementary)
Online Access:	https://purl.fdlp.gov/GPO/LPS82178

Description
Item Description:	Shipping list number: 1993-0254-P. Shipping list number: 93-0254-P.
Physical Description:	1 portfolio (16 items (some folded)) : illustrations (some color), maps (some color) ; 31 cm. Also available via Internet from USGS web site. Address as of 6/4/07: http://erg.usgs.gov/isb/pubs/teachers-packets/mapshow/mapshowindexpdf.html; current access available via PURL.