U.S. Dams Point Map Layers with Hazard Rankings
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Source - BTS,
Bureau of Transportation Statistics,
http://www.bts.gov/gis/ntatlas/background.html (find metadata here).
This map layer may be combined with others, such as those found on our download pages and our free GIS page. If you are new to GIS and want to learn more, check out what is GIS? Also, you might want to download our free GIS tutorial.
ArcView® / ArcExplorer® format (632k)
Maptitude® / Community 2020TM format (886k)
MapInfo® format (664k)
Base Map Layers
You may wish to download these additonal sample
base map layers for Los Angeles
County boundary in
ArcView® / ArcExplorer® format (19k)
ArcView® / ArcExplorer® format (252k)
View sample FREE WORLD DIGITAL MAP copyright notice
About Quality, Accuracy and Suitability
This data may come from a variety of U.S.
government and self-reporting private
sources. While we try to assure the accuracy of
this material, we cannot promise that it is
absolutely accurate. We do promise that using the
map layer may be fun, entertaining, educational or even frustrating at times.
Beyond this, we make no guarantee as to its
suitability for any purpose. We assume no liability
or responsibility for errors or inaccuracies. Please
understand that you use these map layers at your own
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