Park Slope Brownstone Demolition and Reconstruction Project, 1970s 

Stoops being removed from derelict brownstones on St. John's Place (between 5th and 6th Avenues) as part of their conversion to an apartment complex.
Source:
[Park Slope House Remodeling, Roll 1]
by Matthews (W.W.) & Company
Published 1970s circa
Usage Public Domain Mark 1.0
Producer Matthews (W.W.) & Company
Audio/Visual sound, color
Via: bit.ly/23lWrE9