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Main Title Determination of the Total Storage Capacity of the Cretaceous Sandstone Aquifers in South Dakota.
Author Grie, J. P. ; Sio, W. J. ; Bake, R. K. ;
CORP Author South Dakota School of Mines and Technology, Rapid City. Dept. of Geology and Geological Engineering.
Year Published 1973
Report Number DI-14-31-0001-3842; OWRR-A-031-SDAK; 01114,; A-031-SDAK(1)
Stock Number PB-225 122
Additional Subjects ( South Dakota ; Aquifers) ; ( Ground water ; South Dakota) ; Sandstones ; Water storage ; Porosity ; Well logging ; Dakota formation ; Fall River formation ; Lakota formation ; Newcastle formation
Library Call Number Additional Info Location Last
NTIS  PB-225 122 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 18p
For this study, the sandstones were divided into three stratigraphic units. In the western two-thirds of South Dakota, where Skull Creek Shale separates the Dakota and Fall River Formations from the overlying Newcastle-Dakota Formations, separate estimates have been made for each unit. East of the Skull Creek Shale pinchout, the formations merge into the Dakota Formation and have been treated as a third unit. Thickness of effective sandstone within each unit were determined from resistivity and spontaneous potential logs. Data from about 380 wells were used. An isopach map of effective sandstone thickness was prepared for each unit. A total of 1.3 billion acre-feet of water storage capacity was determined for the Fall River-Lakota interval, 977800 acre-feet for the Newcastle-Dakota sandstones, and 360 million acre-feet for the sandstones of the Dakota Formation. (Modified author abstract)