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Maxwell State Game Refuge
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Pumpjack, Lindsborg oil field
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Oil field junkyard, near Lindsborg
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Pumpjack, Lindsborg oil field
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Bison with calves, Maxwell State Game Refuge
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Smoky Valley Roller Mill (museum) at Lindsborg (1898)
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Buildex Inc, plant at Marquette
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Pearlette Ash deposits, central Kansas
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Pearlette Ash outcrop, with geologist
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Pearlette Ash pit, central Kansas
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Pearlette Ash quarry, with geologist
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McPherson County Courthouse, (1894)
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Turtles, Maxwell State Game Refuge
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Permian-Cretaceous contact
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Permian-Cretaceous contact (sec. 32, T. 17 S., R. 5 W.)
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Pearlette Ash in ore pit
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Dakota Hills south of Marquette
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Ninnescah Shale, 9 miles west of Marquette
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