Map Indexing System on:
[Wikipedia]
[Google]
[Amazon]
Index maps are a type of finding aid that enables users to find a set of maps covering their regions of interest along with the name or number of the relevant map sheet. An index map provides geospatial data on either a sheet of paper or a computer screen. In this way, a map acts as a kind of gazetteer, with the location (such as a call number) represented within a grid overlaying the map's surface.
One important reason for using geospatial data instead of political borders is because the latter often change. Information is searched by coordinates, rather than the
Index maps are a type of finding aid that enables users to find a set of maps covering their regions of interest along with the name or number of the relevant map sheet. An index map provides geospatial data on either a sheet of paper or a computer screen. In this way, a map acts as a kind of gazetteer, with the location (such as a call number) represented within a grid overlaying the map's surface.
One important reason for using geospatial data instead of political borders is because the latter often change. Information is searched by coordinates, rather than the metadata
Metadata is "data that provides information about other data", but not the content of the data, such as the text of a message or the image itself. There are many distinct types of metadata, including:
* Descriptive metadata – the descriptive ...
for a particular country and region that can be entered into a catalog. Additionally, in various institutions, maps are sometimes cataloged individually or as sets, resulting in various levels of specificity.
References
{{Authority control Index (publishing) Map types