[Pacific Mills Worsted Department, Lawrence, Mass.] Photogravure, [1900-10]. View of mill complex consisting of two buildings in foreground, one of which is connected by a covered walkway to a complex of buildings across a canal. Larger complex holds several five-story buildings, some connected by covered walkways. Merrimack River and a bridge crossing the river seen in the background. One smoking chimney in the complex; delivery wagons outside complex in foreground. 75.5 x 33 cm.