. . "Lower Niger-Benue" . . . . . "Niger, Republic" . . . . . "Niger River Basin" . "Middle Niger River" . . . . . . . . . . . . "the Niger river" . . . . . . "Niger Bend" . . . . . . . . . . . . . . . . . . . "Niger River" . . . . . "Niger River Valley" . . . . . "Niger Valley" . . . "Niger River" . . "River Niger" . . . . . . . "river Niger" . . . . "The Niger" . . . . . . "The Upper Niger" . . . "Niger" . . . . . . . . . . . . . . . . . . . . "Niger river" . . . . . . . "Lower Niger" . "Niger River (Mali)" . . . "Niger valley" . "Niger delta" . . "4184000.0" . . "Niger River (Nigeria)" . . . . . . . . . . . . . . "Upper Niger" . "the Niger River" . . . . . . "Niger River's" . . "Niger River Delta" . . . . . . . "Niger basin" . "upper Niger valley" . . "Republic of Niger" . . . . . "Niger Basin" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Niver" . . . . . . . "Niger_River#History" . . . . . . . . . . . . . . . .