Mar 13, 2008 #1 TexasPE Chemical Joined Aug 27, 2003 Messages 36 Location US What is the most accurate source of elevation data for Austin County, Texas near I-10?
Mar 13, 2008 1 #2 T TerryScan Civil/Environmental Joined Nov 3, 2003 Messages 640 Location US http://geodesy.noaa.gov/cgi-bin/datasheet.prl Upvote 0 Downvote