[Nepperhan Avenue tunnel under Old Croton Aqueduct.]
[Embankment of Old Croton Aqueduct.]
[Embankment of the Old Croton Aqueduct.]
[West side of embankment of Old Croton Aqueduct.]
[Embankment of Old Croton Aqueduct over Pocantico River.]
[Embankment of Old Croton Aqueduct over Barney Brook.]
[Embankment of Old Croton Aqueduct looking north east.]
Croton Aqueduct
[Old Croton Aqueduct arch at Ossining, N. Y.]
[Lane on top of the Old Croton Aqueduct embankment.]
The Holland Tunnel
[The Holland Tunnel.]
Hudson River Tunnel Curve, New York
Interior of Holland Tunnel, New York City
[Holland Tunnel.]
Holland Tunnel from New Jersey
Croton Dam
McAdoo Tunnel under North River, New York