Fonds consists of files containing forms, messages and correspondence between chart depots at various locations in the world and the Hydrographic Services Office in Halifax, N.S. Includes files regarding dispersal of hydrographic supplies, dangers and aids to navigation, chart and map procurement, admiralty publications and the administration of the Hydrographic Services Office. Also, fonds contains various lists and logs, such as Chart Correction Logs and Folio Indexes, Consecutive Lists of Admiralty Charts and Candydrolants, and the HSO log for 1942-1945, as well as 26 compact disks of miscellaneous naval images from the Hydrographic Services Offices in Halifax. Includes eight published volumes of maps, including an ice atlas of Canada and an incomplete set of the US Navy Marine Climatic Atlases. Also includes There are five series:
- Reference Numbered Files
- Central Registry Files
- Lists, Logs, etc.
- Published Maps
- Miscellaneous Electronic Images