Oct. 31, 1877. View of connection of Sudbury River pipeline with 48" outer pipe at effluent gate house, of Chestnut Hill Reservoir, looking west.

Oct. 31, 1877. View of gates on Sudbury River pipeline below effluent gate house, Chestnut Hill Reservoir, looking south.

View of gates on Sudbury River pipeline below effluent gate house, Chestnut Hill Reservoir, looking south. Oct. 31, 1877.

Connection of the Sudbury River pipeline with 48" outer pipe at effluent gate house, of Chstnut Hill Reservoir, looking east. Oct. 31, 1877.