Bul. 1358, U. S. Dept. of Agriculture; PLATE XV 
F172802 
Fic. |.—A RESERVOIR FILLING RAPIDLY FROM A VIOLENT DOWNPOUR OF 
RAIN AND HAIL 
In the foreground may be seen big rafts of hail heavily loaded with débris; in the background, 
an advancing wall of water. Following violent storms much silt is carried into reservoirs 
in the first rush of storm waters 
F1I72803 
Fic. 2.—REMOVING MUD FROM STORAGE BASINS IS MORE COSTLY THAN 
PLACING THE SAME VOLUME OF EARTH IN A NEw EMBANKMENT 
Water-soaked silt dries out very slowly and is difficult to handle. The left-hand work animal 
may be seen floundering in the soft mud 
