Flow direction raster for Louisiana StreamStats
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The U.S. Geological Survey (USGS), in cooperation with the Louisiana Department of Transportation, prepared hydro-conditioned geographic information systems (GIS)...
美国地质调查局（U.S. Geological Survey, USGS）与路易斯安那州交通运输部合作，编制了经水文适配的地理信息系统（Geographic Information Systems, GIS）……
