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pl23_theb3165.jpg

Shallow water soundings being located by stadia

Image

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Permalink

https://www.noaa.gov/media/digital-library-photo/pl23theb3165jpg-0

Description

Shallow water soundings being located by stadia.A non-electronic means of range-azimuth navigation.Boat operating with Lake Survey

Credit

NOAA

Display Date

1963

Location

Great Lakes

Collection

Historic Coast & Geodetic Survey

Keywords

Charting

Boats

Sounding