Montana libraries

1. Montana State University Library—Billings
2. Montana State University—Bozeman
3. Montana Library Network: MLN Gateway
4. University of Montana, Western Montana College—Dillon, Lucy Carson Library
5. Montana State University, Northern Montana College—Havre, Vande Bogart Library
6. University of Montana , Montana College of Technology—Butte
7. University of Montana—Missoula, Maureen and Mike Mansfield Library
8. Carroll College—Helena, Corette Library
9. Montana State University Great Falls
10. Flathead Valley Community College—Kalispell
11. Rocky Mountain College—Billings, Paul M. Adams Memorial Library

Idaho Libraries

1. Idaho State University—Pocatello, Eli M. Oboler Library
2. Boise State University, Boise, Albertsons Library
3. University of Idaho at Moscow
4. Idaho State Library at Boise
5. LiLI -- Libraries Linking Idaho
6. North Idaho College—Coeur d’Alene, Molstead Library
7. Brigham Young University--Idaho, David O. McKay Library

North Dakota Library

1. North Dakota State Library

South Dakota Library

1. South Dakota State Library

Utah Libraries

1. Brigham Young University—Provo, Harold B. Lee Library
2. University of Utah—Salt Lake City, J. Willard Marriott Library
3. Utah State University—Logan
4. Weber State College—Ogden, Stewart Library

Washington Libraries

1. Gonzaga University—Spokane, Ralph E. and Helen Higgins, Foley Center Library
2. Eastern Washington University—Cheney, John F. Kennedy Library

Wyoming Library

1. Wyoming State Library
2. Wyoming Libraries Database