English: Location map for the Seven Stones Reef between the Isles of Scilly and Cornwall. Base map is taken from the Global Multi-Resolution Topography (GMRT) as a download from the GMRT MapTool made available under a CC-BY-4.0 license, see here. See Ryan, W.B.F., S.M. Carbotte, J.O. Coplan, S. O'Hara, A. Melkonian, R. Arko, R.A. Weissel, V. Ferrini, A. Goodwillie, F. Nitsche, J. Bonczkowski, and R. Zemsky (2009), Global Multi-Resolution Topography synthesis, Geochem. Geophys. Geosyst., 10, Q03014, doi: 10.1029/2008GC002332 for more details.
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