Asia : China-east coast : Hwangpoo River (Woosung River) : Woosung to Kaokiao Creek (Kao-Chiao-Chiang)
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Depths shown by soundings
From surveys by the Hwangpoo Conservancy Board to 1933
Polygon: 31.41666667,121.4888889 31.41666667,121.5597222 31.32777778,121.5597222 31.32777778,121.4888889 31.41666667,121.4888889
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Special Collections & Archives, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/sca)
2nd edition, No. 5390
Public Domain (US)
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