| Stereoscopic views of the Hoosac Tunnel, Massachusetts, and vicinity. |  |  | 
					
				| Entrance to tunnel, east end. |  |  | 
					
				| Entrance to tunnel, east end. |  |  | 
					
				| Marble quarry, North Adams. |  |  | 
					
				| Central shaft. |  |  | 
					
				| Hoosac Tunnel, west end of the double track. |  |  | 
					
				| Eastern portal. |  |  | 
					
				| Machinery for compressing air, Hoosac Tunnel. |  |  | 
					
				| Eastern portal. |  |  | 
					
				| View of an unidentified factory. |  |  | 
					
				| General view of Holyoke. |  |  | 
					
				| Factories and mills along the river. |  |  | 
					
				| Factories and mills along the river. |  |  | 
					
				| City hall. |  |  | 
					
				| Connecticut River Dam. |  |  | 
					
				| Connecticut River Dam with bridge beyond (shadow of photographer in foreground. |  |  | 
					
				| Connecticut River Dam at low water, boys posing on rocks in foreground. |  |  | 
					
				| Connecticut River Dam at low water, boys posing on rocks in foreground. |  |  | 
					
				| Windsor hotel and bridge in foreground. |  |  | 
					
				| Man holding reins of horse. |  |  | 
					
				| Cut rags after removing from washing drums, paper mills, Holyoke, Mass. |  |  | 
					
				| Inspecting paper, delivered by machine, Holyoke, Mass. |  |  | 
					
				| The immense dam which holds the waters of the Connecticut for the mills of Holyoke. |  |  | 
					
				| The immense dam which holds the waters of the Connecticut for the mills of Holyoke. |  |  | 
					
				| Bridge over Dingle. |  |  | 
					
				| View from the City Hall. |  |  | 
					
				| Opera House and Windsor hotel. |  |  | 
					
				| Residence on Depot Hill. |  |  | 
					
				| General view of dam and fishway--South Hadley in distance. |  |  | 
					
				| Looking up Dwight Street from depot hill. |  |  |