OSU is a regional depository library and receives the maps distributed by the U.S. Government Printing Office (GPO). These include the print and digital maps produced by the:
- U.S. Geological Survey
- Census Bureau
- U.S. Forest Service
- National Park Service
- Natural Resources Conservation Service (Soil Conservation Service)
- and many other agencies.
The Map Room also has collections of commerically available publications including city and state highway maps, state topographic maps, atlases, and aerial photographs of most Oklahoma counties.