Document
Tana Mission Routes between Lake Tana and Roseires.' Signed by 'G.Y.K[arkanis].' Tracing.
Map sheet and amendment tracing to portray the 200-mile mission routes between Lake Tana in north-western Abyssinia and Roseires in south-eastern Anglo-Egyptian Sudan. The missions were undertaken in 1920-21 to investigate the prospects of a dam to regulate the flow of the Blue Nile. Portrays hydrology, relief by form lines, settlements, mission routes, churches, water sources, internal boundaries and place names, and includes topographical notes.
The British LibraryHerbert, -, fl 1920-1921, surveyor, Surveyor. Black, R P, fl 1920-1959, government engineer, Surveyor. Grabham, George Walter, 1882-1955, geologist, Surveyor. Sudan Survey Department, 1899-, Surveyor.
1922
1:250 000