Unidentified railroad tracks.
Unidentified street.
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.
Unidentified track tunnel.
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, 18th Avenue, with building support.
Sea Beach Line, Avenue R.
Sea Beach Line, 11th Avenue.
Sea Beach Line right-of-way at 21st Avenue.
Vernon Avenue.
Sea Beach Line at 19th Avenue.
Eighth Avenue.
Broadway and Myrtle Avenue.
6th Avenue.