53 



dam will be 65.6 feet when the reservoir is full. The cross section of 

 the dum shown herewith {fig. 8) needs but little explantition. Tlie 

 roadway running along- the top of that portion of the dam containing 

 sluiceways is 16.4 feet wide. A large part of the eastern end of the 

 dam, containing no sluiceways, is narrower, and the roadway there is 



Fig. 8.— Crosssoction of Assiian dam. 



reduced to D.8 feet. The rubble masonry of the -body of the dam is 

 laid in -1 to 1 cement mortar, and the downstream slope is faced with 

 squared rubl)lc laid in the same mortar and pointed in 2 to 1 cement 

 mortar. The upstream slope, being submerged a large part of the 

 year, is faced with squared ru!)ble laid in 2 to 1 cement mortar and 

 pointed in the same. The batir of the lower slope of the dam is 1 to li. 



