pl23_theb3795.jpg
Description
Steam sounding machine on the GEDNEY.
Credit
C&GS; Season's Report Derickson 1913-18
Display Date
1913
Location
North Pacific Photo
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Bathymetry - Mapping the Features
Pre-1920
Keywords
Charting
Soundings
Bathymetry
Mechanical