The library in Salt Lake City needs a card. Libraries in Salt Lake District need a library card to borrow books. The library card is a kind of certificate issued to readers by the library in order to manage the readers and books in the collection and establish the borrowing relationship. In Salt Lake District Library, to borrow books or read books online, you need to apply for a library card of Salt Lake District Library. With a valid library card, readers can borrow and return books through self-service machines or service desks, and get other library services.