Nonsewered population in the United States Pacific Northwest for 2002 summarized for NHDPlus v2 catchments
收藏DataONE2016-10-29 更新2024-06-26 收录
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This spatial data set was created by the U.S. Geological Survey (USGS) to represent the population within each incremental watershed delineated in the NHDPlus v2 dataset in the Pacific Northwest region of the United States (Hydro Region 17; Major River Basin 7 (MRB7)) that did not have access to municipal sewer service in 2002.
创建时间：
2016-10-29
