Dredge - 3.5 kHz

Date Created: 
box: 1
notes: two roles plus document "Start of Dredging Program" which identifies planned dredge station and steps of the dredging operation dredge (instrument)
provenance: 2009-27
subjects: Echo sounding.
subjects: Dredging
related subjects: R/V Knorr
related subjects: swath mapping of southwest indian ridge
geographic coverage: southwest indian ridge, 52?3.8?s 16? e