1. TRIG/19
- Reference (shelfmark):
- TRIG/19
- Title:
- Anglo-Belgian Boundary Commission 1927-1933. Congo-Zambesi Watershed Section. Cross-levelling. Level Observation Books (field copies).
- Scope & Content:
- Level observation books (numbered 18 to 27); some volumes are recorded in traverse books, but the data within are level values. Books 1 to 17 were not present on transfer. However office copies are at TRIG/27 and TRIG/28. Used in the compilation of Geographical Section, General Staff No. 4044,...
- Collection Area:
- Map Collections
- Languages:
- English
- Date Range:
- 1930-1931
- Extent:
-
10 volumes