sentences:  Despite the residential reputation, Parkstone was the site of several industrial undertakings, the largest being George Jennings South Western Pottery, a manufacturer of salt-glaze drainage and sanitary pipes, which had its own steam locomotive, that ran on a private branch line from Parkstone Station.Much of this area was agricultural until the 1920s and 1930s.Upper Parkstone includes large areas of smaller artisan housing, the shopping district along Ashley Road and the parish church of St. John's, Heatherlands.