MODERN CITY ROADWAYS. 



531 



meiit which may be seen in that city considerable sections must have 

 floated away. The round block has nothing to recommend it but 

 its cheapness, and this usually proves to be expensive economy. In 

 Galveston, Texas, creosoted yellow pine blocks have been laid for 

 some years with general satisfaction. They are laid directly on the 

 fine sand, which is water-rammed so as to be very compact. The 

 surface is formed with great care by a template to the exact 



LodKIXG ^'ulITIl FROM IjEVEULV RoAI) AND EaST FlfTEEXTll StKEET, BkOOKLYN, 



IN October, 1899. 



grade and crown, and the joints are filled with similar fine sand. 

 In Indianapolis creosoted blocks have been laid for several years, 

 sixty thousand square yards having been put down during the 

 past season. They are laid as closely as possible on a concrete 

 foundation, with a sand cushion of one inch, and the joints filled 

 with paving cement, composeti of ten per cent of refined Trini- 

 dad asphalt and ninety per cent of coal-tar distillate, after which 



