SHANDAKEN HISTORICAL MUSEUM, 26 Academy St. Pine Hill, NY 845-254-4460 Presents: “Glenn Kreisberg: Spirits In Stone -The Evidence of Ancient Native American Archaeoastronomy on March 28  from 1:00 - 3:00pm.   Glenn Kreisberg is an author, outdoor guide, and radio engineer, who researches Native American landscape archaeology in the Hudson Valley and Catskill Mountains. His books include Mysteries of the Ancient Past, Lost Knowledge of the Ancients, and Spirits in Stone. Come to the Shandaken Historical Museum at 26 Academy St. Pine Hill or call 845-254-4460 for more information.