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.

Sudbury River Conduit, B.W.W. div. 4, sec 15, Aug. 17 1876, lower part of centering of great arch.

B.W.W. div. 1, sec A, Winter Street bridges and conduit below Dam I, and excavation for river wall, July 14, 1877.

Water works, Newton, Mass.

Sudbury River Conduit, B.W.W. div.4, sec 15, Aug. 17 1876, north side of arch "G", Ellis St.

B.W.W. dam division, Dam I, gate house foundation and south embankment wall, July 14, 1877.

Sudbury River Conduit, B.W.W. div.4, sec 15, Aug. 17 1876, view of Charles River bridges taken from Newton side and looking west.

B.W.W. dam division, Dam I, center wall and embankment, north side of river, July 14, 1877.

Sudbury River Conduit, B.W.W. div.4, sec 15, Aug. 17 1876, ledge cut.