Showing Topography on Maps
http://www.classzone.com/books/earth_science/terc/content/investigations/es0307/es0307page02.cfm

USGS, Exploring Earth

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This Flash animation exhibits an area near Tucson, Arizona, displaying an aerial photograph, a topographic map, and an overlay of a topographic map on an aerial image. This is a good opportunity to distinguish the properties of topographic maps and aerial photographs and how these different data sources can be combined in overlays to highlight new spatial patterns like hills and streambeds. Switch between these modes by clicking on buttons located on the right hand side of the image.

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This resource is referenced here:

• Cutting Edge:Enhance Your Teaching:Visualization:Visualization Collections: Types of Maps

Keywords: map types, reading maps, topographic maps