English: Map includes a scale, compass, subdivisions of Niumi, rivers, the Gambia River, neighboring states and an inset map of the Senegambia Region ca.1850.

Sources for Niumi are as follows:

For coastline and rivers, made with Natural Earth.

For Senegalese kingdoms north of the Gambia: Atlas national du Sénégal. (1977). Institut géographique international. P.57.

For Senegalese kingdoms south of the Gambia: Quinn, C. A. (1972). Mandingo Kingdoms of the Senegambia. P.IX-X

For the Ceded Mile (Gambia): Hughes, A., & Perfect, D. (2008). Historical Dictionary of The Gambia. Scarecrow Press. P.XVIII & 33.

Additional sources for the inset map are as follows:

For Buje (in Casamance): Roche, Christian. (1985). Histoire de la Casamance : conquête et résistance : 1850-1920. Karthala. P105.

For other non-Mauritanian kingdoms, plus European forts: The West Coast of Africa. (n.d.). Www.davidrumsey.com. Retrieved January 13, 2024, from https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~2768~270041:The-West-Coast-of-Africa-?sort=pub_list_no_initialsort%2Cpub_list_no_initialsort%2Cpub_date%2Cpub_date&qvq=w4s:/what%2FAtlas%2BMap

For Mauritania: Choplin, A., & Ould Bah, M. F. (2018). Foncier, droit et propriété : au cœur de la société mauritanienne. Centre Jacques-Berque. https://doi.org/10.4000/books.cjb.1277. Map.1.