| Sudbury River Conduit, B.W.W., div. 4, sec. 15, Oct. 18, 1876. View of south and east sides of east abutment of large arch. |  |  | 
					
				| Sudbury River Conduit, B.W.W., div. 4, sec. 15, Oct. 18, 1876. View of south and east sides of east abutment of large arch. |  |  | 
					
				| Sudbury River Conduit, B.W.W., div. 4, sec. 14, Oct. 18, 1876. View taken from inside conduit looking west on [?] embankment. |  |  | 
					
				| Sudbury River Conduit, B.W.W., div. 4, sec. 15, Oct. 18, 1876. View taken on the east bank of Charles River showing north side of centering of arch "A". |  |  | 
					
				| Water works, Newton, Mass. |  |  | 
					
				| Water works, Newton, Mass. |  |  | 
					
				| Sudbury River Conduit, B.W.W., div. 4, sec. 15, Oct. 18, 1876. North side of arch "G" with face brickwork overhead. |  |  | 
					
				| Sudbury River Conduit, B.W.W., div. 4, sec. 14, Oct. 18, 1876. View taken at the west end of rock cut on sec. 14 and looking east. |  |  | 
					
				| Sudbury River Conduit, B.W.W., div. 4, sec. 15, Oct. 18, 1876. View from Needham bank of Charles River showing the north side of bridge. |  |  | 
					
				| Sudbury River Conduit, B.W.W., div. 4, sec. 15, Oct. 18, 1876. View from Needham bank of Charles River showing the north side of bridge. |  |  | 
					
				| Sudbury River Conduit, B.W.W., div. 4, sec. 15, Oct. 18, 1876. View of large centring from east bank of river showing south side (2nd view). |  |  | 
					
				| Sudbury River Conduit, B.W.W., div. 4, sec. 15, Sept. 13, 1876, view near Beacon St. |  |  | 
					
				| Sudbury River Conduit, B.W.W., div. 4, sec. 15, Sept. 13, 1876, view near Beacon St. |  |  | 
					
				| Sudbury River Conduit, B.W.W., view near Center Street, div. 4, sec. 15, Sept. 13, 1876. |  |  | 
					
				| Water works, Newton, Mass. |  |  | 
					
				| B.W.W. Dam Division, Dam III, center wall and embankment, north side of Stony Brook, Dec. 6, 1877. |  |  | 
					
				| Sudbury River Conduit, B.W.W., div. 4, sec. 15, Sept. 13, 1876. View showing interior structure of Charles River Bridge over arches "F" & "G". |  |  | 
					
				| Sudbury River Conduit, B.W.W., div. 4, sec. 15, Sept. 13, 1876. View showing interior structure of Charles River Bridge over arches "F" & "G". |  |  | 
					
				| Sudbury River Conduit, B.W.W., div. 4, sec. 15, Sept. 13, 1876. Vie of centring of arch "A" (when almost completed) from east bank of river and looking down stream. |  |  | 
					
				| Sudbury River Conduit, B.W.W. Div.4, Sec 15, Sept. 13 1876, view of cutting of large arch taken from east bank of Charles River. |  |  | 
					
				| Water works, Newton, Mass. |  |  | 
					
				| Sudbury River Conduit, B.W.W., div. 4, sec. 15, Sept. 13, 1876. View of centring of arch "A" taken from Ellis St. and looking north. |  |  | 
					
				| Sudbury River Conduit B.W.W., Div. 4 Engineers and inspector, Sept. 13, 1876. |  |  | 
					
				| Sudbury River Conduit B.W.W., Div. 4 Engineering party, Sept. 13, 1876. |  |  | 
					
				| B.W.W. dam division, Dam I, gate house and overflow from north side of river, Oct. 1, 1877. |  |  | 
					
				| B.W.W. Dam Division.  Dam III, south centre wall and 8" permanent sheeting looking north, June 14, 1877. |  |  | 
					
				| B.W.W. dam division, Dam III, temporary sheeting for north center wall, looking north, July 14, 1877. |  |  | 
					
				| Sudbury River Conduit, B.W.W. div. 4, sec 15, Aug. 17 1876, arches E & F, Charles River bridge. |  |  | 
					
				| B.W.W.  Dam Division, Dam III, North Center wall and grading looking south. |  |  | 
					
				| Water works, Newton, Mass. |  |  |