MODFLOW-NWT model used to assess groundwater availability in the uppermost principal aquifer systems of the Williston structural basin, United States and Canada
A three-dimensional groundwater flow model was developed to characterize groundwater resources 
the uppermost principal aquifers in the Williston structural basin in parts of Montana, North Dakota, and 
South Dakota in the United States and of Manitoba and Saskatchewan in Canada as part of a detailed 
assessment of …