National Geographic : 1937 Oct
Photograph byAlfred T.Palmer SHELLS SPRAYED THIS STRETCH OF THE WHANGPOO WHERE SAMPANS SWARM AROUND ASTEAMER The discharging freighter is moored to buoys. Astern is the U. S. S . Augusta, flagship of the U. S. Asiatic squadron. Men insampans moor the ship, whose passengers crowd the rail (left). Dredging keeps the Whangpoo deep enough for most ships, but the largest liners have to dischargeatWoosung (map, page 491). Shanghai, built on mud and silt brought down by the Yangtze, could erect no lofty skyscrapers until builders discovered how to lay huge concrete rafts asfoundations inthe soft soil.