Domestic well locations and populations served in the contiguous U.S.: 1990, Road-enhanced method (REM) map.
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In this dataset we present two maps that estimate the location and population served by domestic wells in the contiguous United States. The first methodology, called...
本数据集收录了两幅地图，用以估算美国本土（contiguous United States）境内民用供水井的空间分布位置及其服务覆盖的人口规模。第一种研究方法名为……
