African Geographic Pictures Collection
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| Image number: | 1543 |
| Feature : | occult river flow |
| Grouping : | drainage |
| Discipline : | geomorphology |
| Year : | 1996 |
| Locality : | Ounjougou |
| Country : | Mali |
| Region - tribe : | Bandiagara |
| Physiographic region : | W-African Savanna belt |
| Notice : | notice During the dry season the valley water table drops, surficial river bed flow ceases. The wet patches in the river bed show the unequal drop of the water table. |
| Reference : | Moeyersons, Jan, 1996 Image 1543. In : Moeyersons, Jan : "African Geographic Pictures", http://www.africamuseum.be/en/research/collections_libraries/earth_sciences/collections/geopic" |