The history of a rural farm community will be the focus of a program featuring tours of the houses that form the core of the Pleasant Valley Rural Historic District. The houses of grist miller John Phillips, his farmer-son Henry and Henry’s blacksmith-son Lewis will be featured during a 90-minute walking tour offered at 1 p.m., hosted by Howell Farm historian Larry Kidder. A tour of the Pleasant Valley Schoolhouse is included. Half hour tours of the Henry Phillips farmhouse (Howell Farm farmhouse) will be offered at 11 a.m., noon, and 2:30 p.m. and 3:30 p.m.