Before revision: upright=1.7| Methane venting offshore Virginia A seafloor map captured by NASA Bathymetry (; )βαθύς, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseusμέτρον, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus is the study of underwater depth of ocean floors (seabed topography), lake floors, or river floors.
After revision: upright=1.7| A seafloor map captured by NASA Bathymetry (; )βαθύς, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseusμέτρον, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus is the study of underwater depth of ocean floors (seabed topography), lake floors, or river floors.