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

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

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.

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

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.

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 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.