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Description
Arrangement of sounding machines on PATHFINDER.Off of PATHFINDER (Image credit: C&GS; Season's Report Lukens 1921-60)
Credit
C&GS; Season's Report Lukens 1921-60
Display Date
1921
Location
Philippines
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Soundings
Mechancial Sound Systems
Keywords
Charting
Soundings
Leadline