It keeps no permanent collection, and its exhibition focus is on new artwork. But the past is ever-present at the Massachusetts Museum of Contemporary Art.

In fact, an old hand-drawn map of the site, dating to when this sprawling campus of 26 buildings was home to Arnold Print Works, serves just fine as a visual aid for museum director Joseph C. Thompson as he stands in a conference room and points out spots on the museum campus that are targeted for an ambitious expansion plan.

Buildings that now showcase art are marked on the old map as blacksmith shops and coal sheds.