Consult the Subject Headings List on the map case beside the Sheet Map Catalog to find the appropriate search term. These indexes are available at the Documents and Map Information Desk. After identifying the maps of interest, note the call number and the location of the map. Upon request, the Documents and Map staff will unlock the appropriate section and provide assistance in locating maps. Short term loan of some data may be made at the discretion of the Map Librarian.
Access is by author, title, subject, and keyword.
The portion of the collection classified with Superintendent of Documents call numbers may be accessed by using the indexes to government documents located in the Documents Department. Most books in the cartographic reference collection do not circulate. One day loan of some non-circulating reference books may be arranged at the discretion of the Map Librarian.