Nov 152017
 
Water Resources Investigation WRI 2017-1a, The Upper Pierre Aquifer of the Cheyenne Basin, Northeastern Colorado, Geologic Cross Sections

Our friends over at the Colorado Division of Water Resources (CDWR) have just released Water Resources Investigation WRI 2017-1a, The Upper Pierre Aquifer of the Cheyenne Basin, Northeastern Colorado, Geologic Cross Sections, authored by Ralf Topper, Clinton D. Meyer, Marshall Haworth, Kevin C. Donegan, Hillary Banks, Aaron Bandler, Andrew Flor, and Matthew A. Sares.

Summary:

This report is a compilation of ten regional geologic cross sections created from interpretation of geophysical logs from 200 oil and gas wells. It is the first of a two-part hydrogeologic study of the Upper Pierre aquifer within the Cheyenne Basin of northeastern Colorado and consists of a short text report along with 11 plates. The cross sections depict the following geologic/hydrogeologic intervals: South Platte River alluvial aquifer, Ogallala Formation, White River Formation, Laramie Formation, Fox Hills Sandstone, Upper Pierre Shale upper confining layer, Upper Pierre aquifer, Pierre Ash, and the Upper Pierre Shale lower confining layer.

The text, maps, and cross sections may be downloaded from the DWR Homepage in the “New!” section in the middle of the page.

Contact Matthew A. Sares, Manager, Hydrogeological Services with any questions.

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