Layer symbology allows for spatial representation of data and is important in displaying the contents of a map correctly. ArcMap features an array of options to choose and create symbols that can effectively portray map data.

To use data from this task sheet, visit the NRGIS web site and follow these links: under State-wide Data click Administrative and Political Boundaries > Iowa_border, and under State-wide Data click Administrative and Political Boundaries >Incorporated_cities_2000.

For more information on the NRGIS web site, consult task sheet PM2082-09Q regarding Downloading from the Iowa DNR.

For more information on downloading ET GeoWizards, consult task sheet PM2082-09T on Downloading and Enabling ET GeoWizards.