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![Early bathymetric and geologic map of the English Channel area by PhilippeBuache in 1752 map00186.jpg Early bathymetric and geologic map of the English Channel area by PhilippeBuache in 1752](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_map00186.jpg?itok=ysiZvYyv)
Description
Early bathymetric and geologic map of the English Channel area by PhilippeBuache in 1752. Contours were used to express depth of the water before beingused to express elevation.
Collection
Voyage to Inner Space
History of Oceanography Collection
Bathymetric Maps Collection