Study area, middle Humboldt River basin, north-central Nevada (U.S. Geological Survey Water-Resources Investigations Report 98-4209)

This data set consists of a polygon representing the study area for middle Humboldt River basin, north-central Nevada as published in the U.S. Geological Survey...本数据集包含一个多边形要素，用以表征美国内华达州中北部洪堡河中游流域的研究区域，该区域相关信息源自美国地质调查局（U.S. Geological Survey）已发布的公开资料……