These exercises require the Spatial Analyst extension. This extension is not a standard part of the ArcView GIS software package.
Contours reveal the relief or topography of a region.
For this application be sure the data are downloaded in units of feet. These data sets can be extracted from two different sources. For more information about the BeachMapper application, click here . A data set no larger than 1 megabyte is recommended for this test of your system. For more information on this process, please see the metadata records for the individual islands.