The Institute of Museum and Library Services (IMLS) announced the release of the 2009 Public Libraries Survey (PLS) data. It is available on the IMLS web site at: http://harvester.census.gov/imls/data/pls/index.asp. All 50 states and the District of Columbia participate in the Public Libraries Survey every year and the collection includes data on visitation, circulation, the availability and use of library computing resources, staffing, library collections and services, and fiscal information such as operating revenue and expenditures.