The library's map collection is located in the Kelley Center for Government Information and Microforms Department. Staff are available to assist in identifying and locating maps. A map guide provides a basic orientation to the collection. Many of our maps were created and published by the federal government. To identify maps in our collection use the library's online catalog. A keyword search is often most successful. For example, if you are looking for a geological map of South America, search by keyword using "south america and map and geological".

In addition to the online catalog, sheet indexes are available for finding topological maps of Texas (7.5 minute/quad) and areas in the United States west of the Mississippi (1 by 2 degree) and some Defense Mapping Agency maps. These indexes are located in the map area within the Kelley Center.

The GIS Data Center also maintains a collection of online maps and GIS data sources by content and regions.