They controlled their floods by creating canals and lakes to help hold the water when a flood occured.
Canals are waterways
dams, canals and pikes
Through dams, weirs and canals.
people in mesopotamia built canals for irrigation systems such as dams,buildings, and rivers
Bridges, dams, canals, and road systems
they didn't. they worked with it.
Dams are very useful
With lakes and dams, canals, irrigation channels and weirs.
there r bridges and dams and cities and canals etc.
location
pump sets , canals ,ponds,dams,etc.