1. TRIG/21
- Reference (shelfmark):
- TRIG/21
- Title:
- Anglo-Belgian Boundary Commission 1927-1933. Congo-Zambesi Watershed Section. Primary Triangulation. Angles. Topo[graphical]. Survey Traverse Observation Books (field copies).
- Scope & Content:
- Traverse observation books numbered P.T.A. 1-18, 20, 21 and 23-33. Boundary section extends to Angola tripoint. Used in the compilation of Geographical Section, General Staff No. 4044, 7 sheets at scale 1:250,000 dated 1941 filed at Maps X.6262.
- Collection Area:
- Map Collections
- Languages:
- English
- Date Range:
- 1930-31
- Extent:
-
31 volumes