Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Object Groupings and Systems (hierarchy name)
4. systems (equipment)
5. [systems by function]
6. geographic systems

Anotations

Scope note:

Refers to combined software and hardware systems that relate and display collected information concerning phenomena associated with location relative to the Earth. They often have the ability to overlay temporal information or information related to geology, ecology, weather, land use, demographics, transportation, or other data on top of existing geographic base data. The data are typically presented in the form of maps or tables, displayed in color on a computer screen or printed out.