Multimedia Maps

Tapestry of Time and Terrain
What's been happening in the lower 48 States in the last 2.6 billion years?! Discover this unique combination of geologic and topographic maps and explore American landscapes and the agents that shaped them. You'll need Flash and QuickTime plug-ins for your web browser (see below).

Avian Cholera
Track known occurrences of avian cholera over the past 50 years using this dynamic map. Interesting articles on wildlife health are only a click away too.

2004 West Nile Virus Maps
These maps and charts illustrate documented occurrences of West Nile Virus. Let your cursor roam over the maps and images.

Active Volcanoes?
Explore America's potentially active volcanoes with six dynamic maps.

Animated Invasive Species Map
Learn more about the effects of the spread of the invasive zebra mussel using this animated map.

Clickable Map of Terrain Relief and Elevation
This is a map of the conterminous United States that combines a depiction of terrain relief with tinted elevation ranges.

Animation of Vegetation Growth in 1995
Watch a series of satellite images that illustrate vegetation growth and vigor in the lower 48 United States during 1995.

Animated and clickable maps require a Shockwave plug-in to your web browser. Sections of the Tapestry of Time and Terrain require QuickTime and Flash.

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