Usage in Other Countries

-These techniques that I discussed earlier are used all over the world, but there are also other reasons for these one rock dams

-In Africa, there is a very little amount of water, so they need to use all of the rain fall that they receive

-So they are forced to used the little water that they receive

-To do this, they use the naturally formed valleys and arroyos and build one rock dams to save the little rain fall that they receive

-This helps to irrigate their fields and crops, as well as giving life to wild vegetation intertwined in the rocks