Unidentified railroad tracks.
Unidentified street.
Unidentified track tunnel.
Unidentified tunnel.
Sea Beach Line and Long Island Railroad cut, north near 11th Avenue.
Unidentified subway tracks.
Sea Beach Line and Long Island Railroad cut, north to 9th Avenue.
Sea Beach Line right-of-way at 21st Avenue.
Sea Beach Line at 19th Avenue.
Sea Beach Line and Long Island Railroad cut, northwest to near 11th Avenue.
Smith and Union Streets.
Northern section of land tunnel.
Sea Beach Line, Avenue R.
Sea Beach Line, 11th Avenue.
Sea Beach Line, 18th Avenue, with building support.
Vernon Avenue.
Southwestern corner of Manhattan Avenue and Green Street.
Eighth Avenue.
8th Avenue and West 115th Street.