Michigan sculptor Mark Chatterley, who specializes in slab-based clay forms, will be on hand tonight for a gallery and garden tour of his works at River Gallery, 400 E. Second St. The exhibit of Chatterley's works, "Inside & Out," will be on view inside the gallery through June and outside in the Sculpture Garden through June 2013. The opening reception is scheduled 6:30-8 p.m. today. For more information, call 265-5033, ext. 5.