Showing retaining wall and signal tower at 6th Ave. looking east

Showing retaining wall and signal tower at 6th Ave. looking east
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Title: Showing retaining wall and signal tower at 6th Ave. looking east
Description:

View of construction site for subway line (the Sea Beach or N line) showing signal tower over retaining wall; worker looking into camera and standing on ladder propped against signal tower; second ladder propped against retaining wall; tracks in right foreground.
Date: 1914
Location: Brooklyn (New York, N.Y.)
More Details: Title from inscription on recto.
On recto: date inscribed: Sept-28-1914.
Photographer's name inscribed on recto: "Urquhart."
Collection: Subway Construction
Subject: Subways
Railroad signal towers
Construction workers
Retaining walls
Railroad tracks
Institution: Brooklyn Public Library, Brooklyn Collection.
Medium: Photographic prints.
Gelatin silver prints.
Rights: Copyright restrictions apply to the use of this image. For more information or to obtain a photographic reproduction of this image, contact the Brooklyn Collection at Brooklyn Public Library.
ID: SUB 0255