River Estuary
| Object type | Drawing |
| Genre | Landscape |
| Dimensions | 12.3 x 19.3 cm |
| Support | Paper |
| Medium | Pen, indigo wash |
| Other authorities | Bailey/Walker cat. #PARI.BA.12 |
| Location | Paris, France |
| Collection | École des Beaux-Arts |
| Accession numbers | Mas.395 |
| External resources | École des Beaux-Arts |