The U.S. Geological Survey maps are indexed but not cataloged. U.S.G.S. Maps the Library owns. Additionally, selected online map material can be found on the Library's Map Web Page . U.S.G.S. maps and other series are filed alphabetically by state or by sheet number. The Map Collection is open and available for use all hours the TTU Library is open .
Many maps circulate for a period of three weeks.
Maps are checked out to patrons in tubes for ease of handling and preservation. If a map is damaged or lost, report it immediately to the staff in the Map Collection. Atlases, rare editions, and reference materials do not circulate. Maps are not for field use or to be taken out of town. They are for use only in labs, classrooms or at home.