JOHNSTOWN - In conjunction with the city's Colonial Stroll, the Johnson Hall State Historic Site will hold an open house Friday from 5 to 8:30 p.m. Johnson Hall's first floor will be decorated for the holiday season. Music of the 18th century will be performed by Ron Burch and Olof Jansson, members of Liaison Plaisantes. Refreshments will be offered in the historic butler's pantry, a news release said. The museum shop will offer 25 percent discounts that evening. Horse-drawn wagon rides on the mansion's south lawn will be available to visitors between 6 and 8 p.m. <http://www.leaderherald.com/page/content.detail/id/560432/Johnson-Hall-plans-open-house.html?nav=5001> -- Bob Sullivan Schenectady Digital History Archive <http://www.schenectadyhistory.org/> Schenectady County (NY) Public Library