LSE4328060 The transport of King Ahmadou\'s army on the Niger River during the rainy season caused him numerous shipwrecks and many losses of horses. Engraving to illustrate the voyage to Western Sudan of Lieutenant (Navy) M.Mage, in 1863-1866, published in ???e tour du monde, nouveau journal des voyages?? under the direction of Edouard Charton, 1868, Paris. Selva Collection. by Unknown Artist, (19th century); Private Collection; (add.info.: The transport of King Ahmadou\'s army on the Niger River during the rainy season caused him numerous shipwrecks and many losses of horses. Engraving to illustrate the voyage to Western Sudan of Lieutenant (Navy) M.Mage, in 1863-1866, published in ???e tour du monde, nouveau journal des voyages?? under the direction of Edouard Charton, 1868, Paris. Selva Collection.); Photo by Leonard de Selva.