Wachusett Reservoir, North Dike, westerly portion, driving sheet piling in cut-off trench, station 60; from the northwest, Sterling, Mass., Oct. 30, 1899
Wachusett Reservoir, North Dike, westerly portion, driving sheet piling in cut-off trench, station 60; from the northwest, Sterling, Mass., Oct. 30, 1899
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Wachusett Reservoir, North Dike, westerly portion, driving sheet piling in cut-off trench, station 60; from the northwest, Sterling, Mass., Oct. 30, 1899