Bunker Hill St. at Sprague St. loop traps Reservoir C.H. Reservoir C.H. [with ladder] Reservoir c.h. new addition Reservoir c.h. new addition sprinkler system Reservoir c.h. Reservoir c.h. new addition Reservoir Battery House foundations Reservoir Battery House foundations Brookline Reservoir - track Track opp. westerly end of Brookline Reservoir, looking easterly Track view opp. W. end of Brookline Reservoir looking wly. Chestnut Hill, reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir Carhouse Reservoir Carhouse Reservoir Carhouse Reservoir Carhouse Reservoir Carhouse Reservoir Carhouse Reservoir Carhouse Reservoir carhouse progress Reservoir carhouse Reservoir carhouse progress Reservoir progress Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse, wall - Beacon St. side Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse Reservoir carhouse Exterior view of road along lake, Switzerland, 1860s