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Description
Pair of piano wire sounding machines on the PATTERSON. (Image credit: C&GS; Season's Report Miller 1913-59)
Credit
C&GS; Season's Report Miller 1913-59
Display Date
1913
Location
Unimak Island area, Aleutian Islands, Alaska Photo
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Bathymetry - Mapping the Features
Pre-1920
Keywords
Charting
Soundings
Bathymetry
Mechanical