Buried valleys within the Standing Rock Indian Reservation, Sioux County, North Dakota, and Corson County, South Dakota

These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This coverage contains information about the buried valleys within the Standing Rock Indian Reservation, Sioux County, North Dakota, and Corson County, South Dakota. The delineation of the buried valleys was included as part of the surficial geology map (figure 5) created by Howells (1982). The digital data were produced by the U.S. Geological Survey (USGS) in cooperation with the U.S. Environmental Protection Agency. Figure 5 in Howells (1982) was [...]

本数据集发布于2016年10月1日，即美国地质调查局（U.S. Geological Survey, USGS）科学数据审核、批准与发布政策的生效日期之前；该政策的具体要求详见《USGS勘测手册》第502.8章《基本科学实践：科学数据发布的审核与批准》。本数据集涵盖北达科他州苏县、南达科他州科森县境内的Standing Rock印第安保留地（Standing Rock Indian Reservation）内的埋藏谷相关信息。埋藏谷的轮廓划定内容被纳入Howells（1982）编制的表层地质图（图5）中。本数字化数据集由美国地质调查局（U.S. Geological Survey, USGS）与美国环境保护署合作生成。Howells（1982）中的图5为[...]