Clickable map of the Cross River languages of Nigeria and Cameroon
Legend:

  Central Delta
  Ogoni
Lower Cross:

  Obolo
  Lower Cross properUpper Cross:

  Upper Cross besides Central
Central Upper Cross:
  North–South
  East–West
Used in background Map Library satellite imagery and SRTM relief data from maps-for-free.com. Used international borders from File:Nigeria location map.svg by User:Uwe_Dedering. Used in zoom map File:Africa_map_blank.svg by User:Sting. Based design on File:Map_of_the_Niger-Congo_and_Khoisan_languages.svg by User:Alphathon.
Language info: Ethnologue (Nigeria 1, Nigeria 2, Nigeria 3, Cameroon)
User:SUM1