Panorama of Philæ as inundated by the great dam at Assouan [i.e., Aswan], Egypt

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.

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.

Boston water works, Sudbury River Conduit, 1876, Dam no III, north end of Dam, showing foundations of gate house, looking north.

Boston water works, Sudbury River Conduit, 1876, Dam no. III, north end of Dam, looking south towards Hauer's(?).

Boston water works, Sudbury River Conduit, 1876, Dam I, view showing location of dam and bridges on Winter Street over Sudbury River.

Boston water works, Sudbury River Conduit, Sept. 1876, Dam III, Rubble masonry foundations, southeast corner of gate house.