Stone (granite?) building with ventilators in its roof and a smokestack. A separate frame building is at left. Rocks are piled in the foreground.... Show moreStone (granite?) building with ventilators in its roof and a smokestack. A separate frame building is at left. Rocks are piled in the foreground. Inscribed on back: "Rockland Paper Mill. Owned by Robertsons at time photo was taken 1896." Show less