The river Niger or Kwara from the town of Rabba to the sea, and a small portion of the river Tchadda by Lieutt William Allen RN 1853
        
        Scale: Circa 1:300,000. Uncoloured chart showing the River Niger in six sections (A to F) with an index section and seven views. Magnetic variation marked.
              
      
    Object Details
| ID: | G241:4/32 | 
|---|---|
| Collection: | Charts and maps | 
| Type: | Chart | 
| Display location: | Not on display | 
| Creator: | United Kingdom Hydrographic Office (UKHO) | 
| Places: | Gulf of Guinea; West Africa | 
| Date made: | 1837; 1880; 1837 1880 | 
| Credit: | © Crown copyright. National Maritime Museum, Greenwich, London | 
| Measurements: | Sheet: 101.5 cm x 69 cm |