| They are found in the Mississippi drainage basin and in certain southeastern streams. |
| The evidences of many such village sites may be seen throughout all the region of the Missouri River drainage basin. |
| The Nile rises far to the south of Egypt, in Ethiopia and in the drainage basin of Lake Victoria. |
| In length it is equal to the Yenisei and Blue River, but its drainage basin is larger than that of either of the others. |
| Arkansas lies in the drainage basin of the lower Mississippi, and has a remarkable river system. |
| The drainage basin of Lake Oloidien is hydrologically closed so that water losses are due almost entirely to evaporation. |
