Arid land irrigation in the United States Pacific Northwest for 2001
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资源简介：
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the extent of arid land irrigation in the Pacific Northwest region of the United States (Hydro Region 17; Major River Basin 7 (MRB7)) during 2001.
创建时间：
2016-10-29
