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Federal
Digital subsurface database of previously published well tops, structural features, and contour maps of the Inyan Kara Group, Minnekahta Formation, Minnelusa Formation, Madison Group, and Deadwood Formation, Black Hills region, South Dakota and Wyoming
Department of the Interior —
This digital data release presents multiple previously published elements of the structural configuration of the Black Hills regional subsurface. The original data... -
Federal
Digital subsurface database of elevation point data and structure contour maps of multiple subsurface units, Powder River Basin, Wyoming and Montana, USA
Department of the Interior —
This digital data release presents subsurface data from multiple geologic units that were part of a previous study of the regional subsurface structural configuration... -
Federal
Digital database of structure contour and isopach maps of multiple subsurface units, Michigan and Illinois Basins, USA
Department of the Interior —
This digital data release presents contour data from multiple subsurface geologic horizons as presented in previously published summaries of the regional subsurface...