The regional groupings presented here are from standard language used by libraries and reflect their groups used in classification systems for maps.
Coastal & Northern B.C.
HYDROGRAPHIC CHARTS. BRITISH ADMIRALTY, U.S COAST SURVEY, US. EXPLORING EXPEDITION. (CHARTS ALSO IN UKHO & BLIB)
MS CHARTS FOR USE IN MAKING ORIGINALS (Often several parts)
References and Repositories Abbreviations