Church Street.

Unidentified street.

Libbey Castle.

Church Street, north of Park Place.

Sea Beach Line right-of-way at 21st Avenue.

Sea Beach Line at 19th Avenue.

Unidentified track tunnel.

Sea Beach Line, 18th Avenue, with building support.

Unidentified tunnel.

Unidentified railroad tracks.

Sea Beach Line and Long Island Railroad cut, north to 9th Avenue.

Jay and Willoughby Streets.

Smith and Union Streets.

Sea Beach Line and Long Island Railroad cut, northwest to near 11th Avenue.

Prospect Park West.

Sea Beach Line and Long Island Railroad cut, north near 11th Avenue.

Unidentified subway tracks.

Broadway and Myrtle Avenue.

Sea Beach Line, Avenue R.

Sea Beach Line, 11th Avenue.