Africa 1:250,000 :
Great Britain.War Office.General Staff.Geographical Section
[London] : War Office,
1907-14.
Relief shown by contours and spot heights.
From 1912 maps titled: Cape of Good Hope.
Initially given sheet numbering system similar to TSGS 1764, but with blocks divided into 24 sheets, numbered A to X. Later versions (from 1912) have blocks with International Map of the World numbering system, individual sheets still numbered A to X.
Graphic index in central GSGS file (Interfiled with Reconnnaissance series)