Map of the northern boundary between the Gambia and Senegal from the sea inland to 15°30' W. 'From between Jinnask and N'Baiyen.' - War Office ledger Signed 'Ernest L. Cowie. Capt. 1 West India Regt. 10th March 1904.' 'Traced by ?H/R.S. Juby C[ler]k of W[or]ks'.
Scope & Content:
'(Tracing showing frontier line re-cut & new pillars erected by Anglo-French Comm[issio]n.)' - War Office ledger
Three maps of parts of The Gambia relating to the Anglo-French frontier. 'Ernest L. Cowie. Major. 1/West India Regt. British Commissioner Anglo-French Boundary Commission Gambia - West Africa'
Map shewing Yarbutenda and adjacent districts. Sept. 10th 1904.
Scope & Content:
Covers an area on the upper Gambia River. Shows relief, hydrology, settlements, paths, the French telegraph line, and existing and proposed boundaries. Yarbutenda and its hinterland was leased to France by Great Britain in 1904.
Map showing Sofanyama Creek, a navigable affluent of the River Gambia, which it is proposed that France cedes to Great Britain in exchange for Yarbutenda & district. Sept. 30th 1904.
Scope & Content:
Covers an area on the southern frontier in central Gambia. Shows hydrology, settlements, paths, and existing and proposed boundaries.
Map illustrating French action at Jinnak, Gambia, in regard to British trade. Sept. 15th 1904.
Scope & Content:
Covers an area from the mouth of the River Gambia north to the Anglo-French frontier. Shows hydrology, settlements, paths, and the position of the French Custom House at Jinnak.
Map of the British Colony of the Gambia showing the boundary between the British and French Possessions 1904-1905'. Signed 'A B B de Tscharner Assist. Commissioner. Ernest H. Cowie. Major. The West India Regt. Chief Commissioner.
Scope & Content:
A fair drawing, showing hydrology, areas of mangrove swamp and of cultivation, communications, settlements, and the boundary line.