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McCasland Maps and Spatial Data: Home

McCasland Maps and Spatial Data maintains a collection of over 150,000 sheet maps, 100,000 aerial photographs, and hundreds of atlases. Our collections focus on Oklahoma, but we also have many maps and atlases covering neighboring states, the United States, and the world. More than 10,000 historical maps of Oklahoma are included in the Oklahoma Digital Maps Collection. We also provide workshops, consultations, and software related to Geographic Information Systems (GIS).

Search the Oklahoma Digital Maps Collection

You can browse the collection from its home page, or enter your search below.

In addition to our collections, we offer the following services:

  • One on one consultation for questions about mapping or other visualization techniques
  • Workshops, both regularly scheduled and on-demand, embedded in-class and standalone
  • Help finding data
  • Classroom visits to work with our collections  
  • Anything else mapping related

GIS Help Desk

Semester Hours (subject to change) Hours

Mon - Fri

8:00am to 5:00pm

Weekends, Holidays



McCasland Maps and Spatial Data is located in the basement of the Edmon Low Library on the north side.

Map of Edmon Low Library

Map of Edmon Low Library lower level

Scheduling and Contact Information

Telephone: 405 744-9731
Mailing Address:
Maps and Spatial Data
001A Library
Oklahoma State University
Stillwater, OK 74078-1071