Each link below will bring up the QuickTime VR movie for that area and type of data. Use your back button to return to this page. The data types are "depth" = depth to bedrock, "gravity" = residual Bouguer gravity, and "mag" = aeromagnetics. Note that the Depth to Bedrock map did not cover areas of the Colorado Plateau, where bedrock is at or close to the surface.
Caution: each movie is 1 to 3 MB and could take 10 or more minutes to download on slow internet connections.
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© Copyright 2002 by Stephen J Reynolds, Josh A Coyan, and Julia K Johnson. These images can be freely used for educational, noncommercial purposes as long as the source is cited.