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12. Map showing cumulative thickness of sandstone in the Swift Formation, Montana
13. Map showing cumulative thickness of sandstone in the Fox Hills-Lower Hell Creek aquifer, Montana
14. Map showing altitude of the top of the Swift Formation, Montana
15. Map showing total thickness of the "Dakota Sandstone," Montana
16. Map showing altitude of the top of the Fox Hills-Lower Hell Creek aquifer, Montana
17. Map showing cumulative thickness of sandstone in the Eagle Sandstone and Telegraph Creek Formation, Montana
18. Map showing total thickness of the Judith River Formation, Montana
19. Map showing altitude of the top of the "Dakota Sandstone," Montana
20. Map showing cumulative thickness of sandstone in the Lakota Formation and equivalent rocks, Montana
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