Digital Map Of Base of Aquifer for High Plains Aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming

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 consists of digital base of aquifer elevation contours for the High Plains aquifer in the central United States. The High Plains aquifer extends from south of 32 degrees to almost 44 degrees north latitude and from 96 degrees 30 minutes to almost 104 degrees west longitude. The outcrop area covers 174,000 square miles and is present in Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming. This digital data [...]

本数据集发布于2016年10月1日之前，彼时美国地质调查局（USGS）规范科学数据审核、批准与发布的政策尚未生效——该政策详见《美国地质调查局手册第502.8章：基础科学实践：科学数据发布的审核与批准》。
本数据集包含美国中部高平原含水层（High Plains aquifer）的数字化含水层高程等值线基础数据。高平原含水层的地理范围为北纬32°以南至近北纬44°，西经96°30′至近西经104°。其出露区域面积达174000平方英里，分布于科罗拉多州、堪萨斯州、内布拉斯加州、新墨西哥州、俄克拉荷马州、南达科他州、得克萨斯州以及怀俄明州。本数字化数据[...]