Metadata is data about data.
The links below describe various map layers and services that do not exist in the traditional GIS Library. These special layers may be composites of other layers, basemaps, layer subsets, or derivative layers from GIS Library or other layers.
33 N. Stone Ave., 15th Fl. Mail-Stop Code DTBAB17-425 Tucson, AZ 85701 Phone: (520) 724-6670 Fax: (520) 791-6588