As rivers and (most) sewers depend on gravity to function, it follows that they will follow similar patterns, HOWEVER, it is wrong to describe them as NETWORKS as they are dendritic in nature.
Published by Peter Styles, Independent - Consultant (retired)
As rivers and (most) sewers depend on gravity to function, it follows that they will follow similar patterns, HOWEVER, it is wrong to describe them as NETWORKS as they are dendritic in nature.