East River, km. 40 to km. 82 : [China].
China.Board of Conservancy Works of Kwangtung.
[Canton] : Board of Conservancy Works of Kwangtung,
[ca. 1921]
This navigation map, with each kilometre indicated, shows the shoals to be avoided in navigating a channel between Canton and the estuary of the river. The dykes associated with the river are shown: old dykes, the new dykes of 1920-21 and the dyke under construction in 1921. Drawn in Canton, June 1921. Relief shown by contours.
Oriented with north at bottom.
"S.W. Oliveirona, Engineer-in-Chief."
Pilot guides