<http://aims.fao.org/aos/agrovoc/xDef_2a10de47> <http://www.w3.org/1999/02/22-rdf-syntax-ns#value> "Hydrographic surveying is the science of measurement and description of features which affect maritime navigation, marine construction, dredging, offshore oil exploration/offshore oil drilling and related activities. "@en .
<http://aims.fao.org/aos/agrovoc/xDef_2a10de47> <http://purl.org/dc/terms/created> "2019-12-10T17:01:36.629+01:00"^^<http://www.w3.org/2001/XMLSchema#dateTime> .
<http://aims.fao.org/aos/agrovoc/xDef_2a10de47> <http://purl.org/dc/terms/source> <https://en.wikipedia.org/wiki/Hydrographic_survey> .