Grindstone Opens New Heritage Museum On July 23rd The Grindstone Island Research and Heritage Center will open The Grindstone Island Heritage Museum in the 142-year-old Lower Schoolhouse (District#1). Liz Raisbeck
The Story of District #15, Grindstone's Schoolhouses The upper school house (District #15) was built at the corner of Base Line Road and Cross Island Road, to serve the children at the upper end of Grindstone Island . . . Liz Raisbeck
