On Apr 17, 2005, at 10:02 PM, Jack Twilley wrote: > And those are available where? http://www.nationalatlas.gov/atlasftp.html (click on the colored bars to expand the categories and see full layer descriptions) You should also read http://www.swcp.com/~russo/shape_web/tutorial.html and http://www.swcp.com/~russo/shape_web/ 73 Hal KE7BYN