Groundwater-level altitude contours, 1982, middle Humboldt River basin, north-central Nevada (U.S. Geological Survey Water-Resources Investigations Report 98-4209)
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This data set consists of polylines representing groundwater-level altitude contours, 1982, for middle Humboldt River basin, north-central Nevada as published on...
本数据集由代表1982年内华达州中北部洪堡河中游流域地下水位高程等值线的多段线（polylines）组成，相关内容发表于……
