Bathymetry of the Hong and Luoc River Junction, Red River Delta, Vietnam, 2010

The U.S. Geological Survey, in collaboration with the Water Resources University in Hanoi, Vietnam, conducted a bathymetric survey of the junction of the Hong and...美国地质调查局（U.S. Geological Survey）与越南河内水资源大学合作，针对Hong河与……的交汇处开展了水深测量（bathymetric survey）工作。