Davis, K. W., Putnam, L. D., & LaBelle, A. R. (2015). Conceptual and numerical models of groundwater flow in the Ogallala and Arikaree aquifers, Pine Ridge Indian Reservation area, South Dakota, water years 1980-2009. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationDavis, Kyle W., Larry D. Putnam, and Anneka R. LaBelle. Conceptual and Numerical Models of Groundwater Flow in the Ogallala and Arikaree Aquifers, Pine Ridge Indian Reservation Area, South Dakota, Water Years 1980-2009. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2015.
MLA (9th ed.) CitationDavis, Kyle W., et al. Conceptual and Numerical Models of Groundwater Flow in the Ogallala and Arikaree Aquifers, Pine Ridge Indian Reservation Area, South Dakota, Water Years 1980-2009. U.S. Department of the Interior, U.S. Geological Survey, 2015.