Saturated thickness of the Madison aquifer, Black Hills, South Dakota.
收藏U.S. Geological Survey2023-01-01 更新2026-04-23 收录
下载链接：
https://www.sciencebase.gov/catalog/item/631405b9d34e36012efa3013
下载链接
链接失效反馈官方服务：
资源简介：
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 is a polygon coverage created in ARC/INFO that represents the saturated thickness of the Madison aquifer, which includes the entire thickness of the Madison Limestone and Englewood Formation in the Black Hills area, South Dakota. The unconfined zone of the Madison aquifer is the area where the potentiometric surface of the aquifer is below the top of the formation. The elevation of the top of the potentiometric surface of the Madison aquifer [...]
提供机构：
U.S. Geological Survey
创建时间：
2023-01-01
