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