178th Street and Ft. Washington Avenue. View of trench excavation showing rock. Fourth Church of Christ, Scientist.

178th Street and Ft. Washington Avenue. View of trench excavation showing rock.

178th Street and Ft. Washington Avenue. View of trench excavation showing rock.

178th Street and Ft. Washington Avenue. View of trench excavation showing rock.

178th Street and Ft. Washington Avenue. View of trench excavation showing rock.

178th Street and Ft. Washington Avenue. Progress view. Fourth Church of Christ, Scientist.

178th Street and Ft. Washington Avenue. Fourth Church of Christ, Scientist, progress view.

178th Street and Ft. Washington Avenue. Fourth Church of Christ, Scientist, progress view.

178th Street and Ft. Washington Avenue. Fourth Church of Christ, Scientist, progress view.

178th Street and Ft. Washington Avenue. Fourth Church of Christ, Scientist, construction record view.

178th Street and Ft. Washington Avenue. Fourth Church of Christ, Scientist, progress view.

178th Street and Ft. Washington Avenue. Fourth Church of Christ, Scientist, progress view.

178th Street and Ft. Washington Avenue. Fourth Church of Christ, Scientist, progress view.

178th Street and Ft. Washington Avenue. Fourth Church of Christ, Scientist, progress view.

178th Street and Ft. Washington Avenue. Fourth Church of Christ, Scientist, progress view.

178th Street and Ft. Washington Avenue. Fourth Church of Christ, Scientist, progress view.

178th Street and Ft. Washington Avenue. Fourth Church of Christ, Scientist, construction record view.

178th Street and Ft. Washington Avenue. Fourth Church of Christ, Scientist, progress view, looking east.

178th Street and Ft. Washington Avenue. Church of Christ, Scientist, construction record view.

178th Street and Ft. Washington Avenue. Fourth Church of Christ, Scientist, general view of job.