Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: Artificial Drainage (1992) and Irrigation (1997)

This tabular data set represents the estimated area of artifical drainage for the year 1992 and irrigation types for the year 1997 compiled for every MRB_E2RF1...本表格数据集收录了1992年人工排水（artificial drainage）面积估算值，以及1997年各MRB_E2RF1……对应的灌溉类型数据，所有数据均针对每一个MRB_E2RF1……汇编整理而成。