| The terrain varied from dismal rows of dunes to baked claypan, rock-tiled wasteland to savage, waterless mountains. |
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| They buried him near his camp, on the edge of a small claypan. |
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| Lead researcher Kelly Nelson monitored fields of poorly drained claypan soil that was planted with corn after soybean. |
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| Because of their ubiquity, these temporary bodies of water are known by many names, including those of local derivation such as vlei, claypan, pan, playa, and tinaja. |
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| Pre-mining soils are largely order Alfisols and Subgroup Typic Fragiudalfs including infertile fragipan and claypan soils. |
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| Site-specific evaluation of the CROPGRO-soybean model on Missouri claypan soils. |
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| It is also concentrated along the Michigan peninsula, in central Wisconsin and Minnesota, in the claypan soils of eastern Texas, and on the tablelands of central Nebraska. |
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| Ilewerr also means 'salt crust', such as that found on a claypan. |
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