Construction of Beacon Street Bridge over tracks, now removed and new bridge spans tracks and Mass. Turnpike, Boston, Mass., 10577-B Elimination of grade crossings, South Worcester, Worcester, Mass., 10578-B Masonry work showing lower six courses, north abutment, east corner, Bridge #209, Canaan, New York, 10579-B Bridge #400, south abutment from west, Winchendon, Mass., 10580-B Ware River Branch, Bridge #395, Barre, Mass., 10581-B Masonry work of Bridge #129, Chester, Mass., 10583-B Masonry work of Bridge #129, Chester, Mass., 10584-B Bridge #215, Kinderhook, New York, 10585-B Bridge #215, Kinderhook, New York, 10586-B Shawmut Avenue railroad crossing, sample of material used for construction, Boston, Mass., 10587-B Bridge #37, Natick, Mass., 10588-B Bridge #37, Natick, Mass., 10589-B Bridge #36, Natick, Mass., 10590-B Bridge #36, Natick, Mass., 10591-B East abutment, Audubon Road Bridge, Boston, Mass., 10592-B Elimination of grade crossing and new bridge over Westfield River, Russell, Mass., 10593-B Elimination of grade crossing and new bridge across Westfield River, Russell, Mass., 10594-B Railroad cars, 10595-B Bridge, 10596-B Excavation on the Highland Branch, Brookline, Mass., 10597-B Building of the Beacon Park Yard at Allston, foundations for coaling plant, Allston, Boston, Mass., 10598-B Bridge #195, repairs to abutment, East Chatham, Chatham, New York, 10599-B Elimination of grade crossing looking down, Westfield River, south, Russell, Mass., 10600-B Construction of Bridge #9 at Highland Branch, Brookline, Mass., 10601-B Bacon Street Bridge, northside during construction, New York, 10602-B Bacon Street Bridge, southside during construction, New York, 10603-B Lowering of tracks, south abutment of Washington Street bridge during construction, Natick, Mass., 10604-B Construction of Beacon Park Yard, Allston, Boston, Mass., 10605-B A sand screen used during construction of new line, east view, Westborough, Mass., 10606-B Cut through Holmes Hill in building new line of Boston and Albany Railroad around the city, east side, Westborough, Mass., 10607-B Hyde Brook Culvert construction under lowered tracks, Newton, Mass., 10608-B Beacon Park Yard, engine house roof under construction, Allston, Boston, Mass., 10609-B Beacon Park Yard, engine house roof under construction, Allston, Boston, Mass., 10610-B Construction of piers, East Boston, Boston, Mass., 10611-B Beacon Park Yard, construction of Salt Creek Culvert, Allston, Boston, Mass., 10613-B Detail of support for tracks at Brook Street, Faneuil during construction of bridge, Brighton, Boston, Mass., 10614-B Unidentified railroad cars and shell of building, 10615-B Unidentified conveyor with buckets, 10616-B Bridge #92, West Brimfield, Brimfield, Mass., 10617-B Bridge #92, West Brimfield, Brimfield, Mass., 10618-B Bridge #92, West Brimfield, Brimfield, Mass., 10619-B Bridge #92, West Brimfield, Brimfield, Mass., 10620-B Bridges, Roxbury, Mass., 10621-B Unidentified bridge abutment, 10622-B Bridge #157A, Hinsdale, Mass., 10623-B Bridge #161, Hinsdale, Mass., 10624-B Bridge #67, southwing east abutment, 10625-B Near 23rd mile post, Framingham, Mass., 10726-B Near 23rd mile post, Framingham, Mass., 10727-B At 23rd mile post, Framingham, Mass., 10728-B