Great Photo from 1954.

Modified Feb. 6, 2017.  Please see the map below from the NY Digital Collection of the NYPL.

The map shows 37th Street, 36 Street (Martense Lane) and Church Lane (church Avenue).  The map shows that the Lumberyard above was attached to the Church Avenue Line tracks from the west side of the building.  Please see  the red triangle on the map below.  This map also shows that the Nassau Electric yard was not established at this time but the lumberyard may have been the depot.  Notice that the SBRR and Culver Line tracks were not attached to the lumber yard.

From the NY Public Library Digital Collection.  This is 1954 photo of Max Hubacher and is part of the NY Public Library collection.  It is a personal photograph. In it, we see a west bound Church Avenue PCC streetcar just about to make a right turn unto 37th Street in Brooklyn.  The car is located at what could be called the beginning of Church Avenue at Old New Utrecht Road which is a historic street which no longer exists in its full glory.  We see the north bound windscreen of the the then BMT Culver Line and the lumber yard on the left was the site of an early Nassau Electric trolley yard.  About everything in the above photo is mainly now gone.