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This category has the following 7 subcategories, out of 7 total.
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The following 8 pages are in this category, out of 8 total.
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Pages in category "Geologic formations of South Dakota"
305:Geologic formations of the United States by state
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191:This list may not reflect recent changes
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37:Cretaceous geology of South Dakota
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129:Paleogene geology of South Dakota
57:Jurassic geology of South Dakota
105:Neogene geology of South Dakota
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228:Gypsum Spring Formation
146:Paleozoic South Dakota
170:White River Formation
81:Mesozoic South Dakota
281:Spearfish Formation
264:Pahasapa Formation
252:Niobrara Formation
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133:(3 C, 10 P)
41:(1 C, 10 P)
294:Categories
174:(1 C, 1 P)
109:(2 C, 9 P)
150:(3 C)
85:(1 C)
61:(4 P)
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50:J
26:C
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