Please note that this data set is not maintained.
The United Kingdom Hydrographic Office (UKHO) has been producing charts and sailing directions since 1800. Consequently it holds the largest collection in the World of printed and digital Admiralty charts, sailing directions, lights lists, tide tables and other publications produced under the Hydrographic Office, Hydrographical Office, Hydrographic Department and variant imprints.
The figures contained in the spreadsheet show the numbers of products accessioned into the Archive for permanent retention.
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