Boulder Public Library issued the following announcement on Oct.26.
This year Main Library, 1000 Arapahoe Ave, is serving as an election polling center. That means you can vote at the library on Monday, Nov. 2, and Tuesday, Nov. 3. To make room for the voting booths, we have moved our staff pics and DVD collection to a different location and will be changing our services to best serve as a polling place.
On Monday, Nov. 2, the Main Library will be open our regular hours with limited services available, including self-service checkout and holds pickup. On Tuesday, Nov. 3, the Main Library will be open exclusively for voting, and library services will be closed.
Original source can be found here.