Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Surficial Geology

This data set represents the area of surficial geology types in square meters compiled for every catchment of NHDPlus for the conterminous United States. The source...本数据集以平方米为单位，收录了为美国本土（conterminous United States）范围内NHDPlus各汇水区编制的各类表层地质（surficial geology）类型的面积数据。数据来源……