This dataset records types of collection items checked out from bookmobiles operated by North Central Regional Library (NCRL) system in Washington State. NCRL is geographically the largest library system area in the state, serving approximately 240,000 users over approximately 15,000 square miles and five mostly rural counties. The data (generated by the library's Koha integrated library system) includes the location where items were checked out, and general times of service. For more information about this dataset, please visit https://opendatawagon.github.io/