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Publisher:
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Raleigh, N.C. : North Carolina Crop Improvement Association; North Carolina Agricultural Experiment Station; North Carolina State University, 1978. |
Phys. Desc.:
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91 pages : illustrations, portraits ; 24 cm
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Digital Content
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https://digital.ncdcr.gov/documents/detail/2820630 |
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Publisher:
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Washington : U.S. Dept. of Agriculture, Soil Conservation Service, [1975] |
Phys. Desc.:
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1 online resource (48 pages, 31 unnumbered leaves of plates) : illustrations, maps (some color)
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Digital Content
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Click for online content. |
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Publisher:
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Washington] U.S. Soil Conservation Service; [for sale by the Superintendent of Documents, U.S. Govt. Print. Off.] 1970. |
Phys. Desc.:
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1 online resource (i, 118 pages) illustrations, color maps
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Digital Content
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Click for online content. |
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Publisher:
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Washington] U.S. Dept. of Agriculture, Soil Conservation Service: [for sale by the Superintendent of Documents, U.S. Govt. Print. Off.] 1967. |
Phys. Desc.:
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1 online resource (ii, 70 pages) illustrations, plates, maps (some color)
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Digital Content
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Click for online content. |
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