Nautical chart of Trinidad Island and the Gulf of Paria. Surveyed by Commander W. Chimmo, assisted by Lieut. W.J.L. Wharton, Sub-Lieut. E.R.W. Noble &amp; Nav. Sub-Lieut. C.W. Baillie, HM Surveying Ship Gannet, 1866-8. Nav. Lieut. J.J. Covey, Not current - not to be used for navigation!
<bdi><a href="https://en.wikipedia.org/wiki/en:United_Kingdom_Hydrographic_Office" class="extiw" title="w:en:United Kingdom Hydrographic Office"><span title="UK government agency concerned with providing hydrographic and marine geospatial data">United Kingdom Hydrographic Office</span></a>
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Scan of original Admiralty Chart