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Roadside Geology of Colorado (Roadside Geology Series) | $5.08 | 087842105X | ||
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Roadside History of South Dakota (Roadside History Series) | $20.56 | 0878422366 | ||
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Roadside History of Oklahoma (Roadside History (Hardcover)) | $29.77 | 087842279X | ||
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Roadside Geology of Wisconsin | $11.62 | 087842492X |