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|a GR-AtNTU
|b gre
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|a 631.455 ECO
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| 245 |
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|a The economics of terracing in Iowa /
|c by David R. Krog.. [et.al.]
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| 260 |
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|a Ames:
|b Center for Agricultural and Rural Development. Iowa State University,
|c 1984
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| 300 |
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|a viii, 164 p. :
|b tables ;
|c 28 cm.
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| 490 |
0 |
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|a Card Report ;
|v 123
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| 650 |
1 |
0 |
|a Agriculture
|x Economic aspects
|z United States
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| 650 |
1 |
0 |
|a Land use, Rural
|z United States
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| 700 |
1 |
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|a Krog, David R
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| 952 |
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|a GR-AtNTU
|b 59cc131a6c5ad13446f65316
|c 998a
|d 945l
|e 631.455 ECO
|t 1
|x m
|z Books
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