41. Ayer clock tower, Lawrence, Mass. Format: Photographs Collection: Lawrence History Center Photograph Collection Date: February 8, 1990 Institution: Lawrence History Center
42. Aerial view of mills in Lawrence, Mass Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1990–1993] Institution: Lawrence History Center
43. Aerial view of mills in Lawrence, Mass Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1990–1993] Institution: Lawrence History Center
44. Aerial view of mills in Lawrence, Mass Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1990–1993] Institution: Lawrence History Center
45. Aerial view of mills in Lawrence, Mass Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1990–1993] Institution: Lawrence History Center
46. Ayer Mill clock tower Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1990–1999] Institution: Lawrence History Center
47. Ayer Mill clock tower Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1990–1999] Institution: Lawrence History Center
48. Ayer Mill clock tower Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1990–1999] Institution: Lawrence History Center
49. Ayer Mill clock tower Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1990–1999] Institution: Lawrence History Center
50. Ayer Mill clock tower Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1990–1999] Institution: Lawrence History Center