TitleLooking west at 21st Ave. showing arches of 20th Ave. bridge
SummaryView of construction site for subway line (the Sea Beach or N line) showing two tunnels at left with iron rods projecting horizontally and vertically from top; tracks at right curving around tunnels; retaining wall at right; top of building with balustrade above tunnels at left; other buildings above retaining wall and embankment in right background; iron rods on tracks and roadbed.
NoteTitle from inscription on recto. On recto: date inscribed: Jan-3-1915. Photographer's name inscribed on recto: "Urquhart."
SubjectSubways -- Design and construction -- New York (State) -- New York ; Retaining walls -- New York (State) -- New York ; Tunnels -- New York (State) -- New York ; Railroad tracks -- New York (State) -- New York