Triangulation Sheets
- Reference No:
- C DPD/1/3/5/12
- Dates:
- Early 20th century
- Description:
- Manuscript notes and calculations connected with surveys undertaken in the Humber region for the purpose of producing marine charts and maps
- Extent:
- 1 volume, 1 file, 2 items
- Language:
- Access Conditions:
- Access will be granted to any accredited reader
- Repository:
- Hull City Archives
- Collection:
- Records of Humber Conservancy and the Humber Ports (Records deposited by Associated British Ports and its Predecessors)