This is an analysis of the elevation data.

Whereas the other data are reported on a coarse grid (24x24 lat/long coordinates),
this elevation data is on a much finer grid (59x60 lat/long coordinates).  

The purpose of this interactive 3d visualization is to help you get a feel
for where the mountains are in the land-masses.  I recommend viewing this
contour plot side-by-side with the other analyses, so you can get a good
feel for the lay-of-the-land.

The first time you view this contour plot, it will prompt you to install
the SAS/Graph activex control (if you haven't already installed it).
The install is very easy, and only takes a couple of minutes.

Once you're viewing the activex contour plot, you can click the right-mouse
button on the contour, and it will let you bring up a toolbar (to control
3d rotation, zoom, move, etc), and other interfaces to let you customize
the colors, etc.


You must use Internet Explorer for this SAS/Graph activex control to work.
If you don't already have the SAS/Graph activex control installed on your PC,
then the first time you view this example it should prompt you to install it.
If it does not automatically prompt you to install it, you can manually 
kick off the install by going to the following url:

http://www2.sas.com/codebase/graph/v9/sasgraph.exe