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Bathymetric surveys, including volume measurement to be dredged in rivers, lakes, reservoirs and access to maritime and river ports and waterways, using simple or double frequency One beam Echobathymeter or Multibeam Echobathymeter.

Seismic surveys at waterways and maritime access to ports using Boomer and Sub Bottom Profiler Chirp.

Sounding survey in rivers, lakes, reservoirs and maritime and river access to ports and waterways, using side sweeping double frequency Sonar.