The Bozeman Public Library will be in the parking lot with their Bookmobile or Library Car. They will deliver your holds and pick up your returns. Use your library card to make holds in advance of their visit (1 week requested). You can also contact them at firstname.lastname@example.org or (406)582-2423 - to make holds.
For a full schedule check out the Bookmobile link https://www.bozemanlibrary.org/services/bookmobile.