Weber River in Riverdale, Utah

  Earthen fill cofferdams: 
Old Ways of Water Management, Page 2:

Going through these pictures, you'll notice that the fill material washes out as fast as it is added along the last 20' of the earthen cofferdam. They tried and failed to dam the river for three days, causing countless tons of earthen fill discharge to wash downstream.   

 

 

 

Pages: 1 2