http://dbpedia.org/resource/Sounder +
, http://dbpedia.org/resource/L%C3%89_Macha_%2801%29 +
, http://dbpedia.org/resource/United_Kingdom_Hydrographic_Office +
, http://dbpedia.org/resource/SS_Rosehill +
, http://dbpedia.org/resource/Voyage_data_recorder +
, http://dbpedia.org/resource/L%C3%89_Maev_%2802%29 +
, http://dbpedia.org/resource/USC&GS_Explorer_%28OSS_28%29 +
, http://dbpedia.org/resource/HNLMS_Tydeman_%28A906%29 +
, http://dbpedia.org/resource/USS_Milwaukee_%28CL-5%29 +
, http://dbpedia.org/resource/USS_Viking_%28ARS-1%29 +
, http://dbpedia.org/resource/USS_Cape_Johnson_%28AP-172%29 +
, http://dbpedia.org/resource/Radio_acoustic_ranging +
, http://dbpedia.org/resource/Multibeam_echosounder +
, http://dbpedia.org/resource/NOAAS_John_N._Cobb +
, http://dbpedia.org/resource/Acoustic_survey_in_fishing +
, http://dbpedia.org/resource/Research_vessel +
, http://dbpedia.org/resource/Challenger_Deep +
, http://dbpedia.org/resource/History_of_research_ships +
, http://dbpedia.org/resource/Marine_engineering +
, http://dbpedia.org/resource/Fishing_vessel +
, http://dbpedia.org/resource/NMEA_0183 +
, http://dbpedia.org/resource/Leeuwin-class_survey_vessel +
, http://dbpedia.org/resource/HMAS_Leeuwin_%28A_245%29 +
, http://dbpedia.org/resource/HMAS_Melville_%28A_246%29 +
, http://dbpedia.org/resource/Sound_velocity_probe +
, http://dbpedia.org/resource/Hydroacoustics +
, http://dbpedia.org/resource/Harry_Hammond_Hess +
, http://dbpedia.org/resource/US_FWS_Charles_H._Gilbert +
, http://dbpedia.org/resource/Bioacoustics +
, http://dbpedia.org/resource/Fisheries_acoustics +
, http://dbpedia.org/resource/Kongsberg_Maritime +
, http://dbpedia.org/resource/HMSAS_Protea_%28K51%29 +
, http://dbpedia.org/resource/Kelvin_Hughes +
, http://dbpedia.org/resource/Aristotle_Onassis +
, http://dbpedia.org/resource/Marie_Tharp +
, http://dbpedia.org/resource/Atlas_Werke +
, http://dbpedia.org/resource/Swell_filter +
, http://dbpedia.org/resource/SS_Nordnorge_%281923%29 +
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