Timber Bulkhead and Subsoil Filling to Form 

 Artificial Shore of Lake Excavated in Poor Soil. 



FIG. 18, 



Street 

 Pauement 



This pipe discharges 



into city sewer at 



conuer.ient intervals 



Method of Removing 



Ground and Surface Water 



Collecting behind 



Retaining Wall. 



FIG. 19. 



55 



