PRACTICAL BOOK OF GARDEN ARCHITECTURE 



Spanish type of many houses. With this- material 

 properly placed there is a certainty that the dam will 

 not leak. Ajiother satisfactory feature in using the 

 concrete consists in the fact that it is an easy matter 

 to construct the spillway large enough to carry off 

 the rush of water without overflowing the side boun- 

 daries, even during heavy freshets. Among the coun- 

 try seats along the Blue Ridge Mountains, there are 

 charming water-falls with dam breasts formed of 

 huge logs cut from the adjoining timber land. The 

 logs, chinked with concrete and banked with rocks, 

 are thoroughly serviceable for an indefinite period ; 

 and no other form of dam could be more pleasing to 

 catch the sparkle and foam of the water from the 

 mountain springs rushing over it. On the Register 

 estate, "Lynhurst," in suburban Philadelphia, there 

 is a novel treatment of the dam breast. A high wall 

 of masonry has been built to dam up a lake on the 

 slope of the garden. Where the spillway has been 

 formed into a water-fall, instead of simply having its 

 rough dam of masonry continue in a vertical position 

 like the wall, it is built out on a decided incline, throw- 

 ing the water far out from the base of the wall. This 

 gives the effect of having such an abundant flow of 

 water over the fall that it foams and dashes out to 

 form a breadth of three or four feet at the bottom of 

 the fall. In reality the flow is quite scant, and only 



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