Toy, T. J., & Grim, D. S. (1984). Climate appraisal maps of the rehabilitation potential of strippable coal lands in the Williston Basin, Montana, North Dakota, and South Dakota. U.S. Geological Survey.
Chicago Style (17th ed.) CitationToy, Terrence J., and Debra S. Grim. Climate Appraisal Maps of the Rehabilitation Potential of Strippable Coal Lands in the Williston Basin, Montana, North Dakota, and South Dakota. Reston, Va.: U.S. Geological Survey, 1984.
MLA (9th ed.) CitationToy, Terrence J., and Debra S. Grim. Climate Appraisal Maps of the Rehabilitation Potential of Strippable Coal Lands in the Williston Basin, Montana, North Dakota, and South Dakota. U.S. Geological Survey, 1984.
Warning: These citations may not always be 100% accurate.