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