Nautical chart of  Loch Lomond. Soundings and minor additions by Lieut. W. Chimmo, G.E. McDougall Master, G. Stanley Master, M.S. Guy 2nd Master, under the direction of Captn. H.C. Otter, 1861. 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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