The statewide nonprofit Alaska Association for Historic Preservation is celebrating National Preservation Month and commemorating its thirtieth anniversary on May 19, 2012.  There will be a celebration at the Oscar Anderson House located in Elderberry Park at 5th and M Streets in Anchorage.  For more information contact            907.929.9870       / akpreservation@gmail.com.  The organization is known for its annual lists of endangered historic properties and grants to help start rehabilitation work, but also has kept people informed about historic preservation projects and issues around the state and hosted historic preservation workshops.