Potentiometric surface contours for the Minnelusa aquifer, Black Hills area, 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 data set represents potentiometric surface contours for the Minnelusa aquifer, Black Hills, South Dakota.

本数据集的发布时间早于美国地质调查局（United States Geological Survey, USGS）科学数据审查、批准与发布政策的2016年10月1日生效日期，该政策的相关要求详见《USGS调查手册第502.8章：基础科学实践：科学数据发布的审查与批准》。本数据集涵盖南达科他州黑山地区明尼卢萨含水层的测压水面等高线数据。