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.

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

Water works, Newton, Mass.

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

B.W.W. dam division, Dam II, temporary sheeting fro outer wall, north side of gate house, July 14th, 1877.

B.W.W. dam division, Dam II, foundation for gate house and overflow, 1877.

B.W.W. dam division, view showing excavation for gate house foundation and foundation wall of overflow at Dam II, Junly 14, 1877.

Water works, Newton, Mass.

Sudbury River Conduit, B.W.W. div.4, sec 15, May 13 1876, view from Newton side and looking west.

Water works, Newton, Mass.

Sudbury River Conduit, B.W.W. div.4, sec 15, May 13 1876, view of the east bank of Charles River from the Needham side.

View of engineers on the project at work in their office.

View of engineers on the project at work in their office.

Rosemary siphon, looking east from conduit, June 1877.

Rosemary siphon, looking east, June 1877.

Boston water works, Sudbury River Conduit, 1876, Division III, view of west siphon chamber.

Boston water works, Sudbury River Conduit, 1876, Division III, west siphon chamber, showing 48" pipes for siphon.

Boston water works, Sudbury River Conduit, 1876, Division III, Section 13, Almshouse embankment, looking east.

Boston water works, Sudbury River Conduit, 1876, Division III, Section 12, showing fill over conduit at Great Plains Ave.

Boston water works, Sudbury River Conduit, 1876, Division III, Section 12, sheeted trench heavy sand cutting.

Boston water works, Sudbury River Conduit, 1876, Division III, Section 12, sheeted trench heavy sand cutting.

Boston water works, Sudbury River Conduit, 1876, Division III, Section 12, Fuller's Brook waste weir.

Waban Valley bridge, south side, June 1877.

Waban Valley bridge, north side looking west, June 1877.