Montana State Library
P.O. Box 201800
1201 11th Avenue
 Helena MT 59620-1800
 406-444-3115
 mslreference@mt.gov
 Hours: 8 am - 5 pm, Monday - Friday
- MSL Catalog
 - Interlibrary Loans
 - Library Card Application
 - Research Resources
 - Federal Government Information
 - State Government Information
 - Geographic Information