GENRE: Soils
PUBLISHER: Govt. print. off.

Found 25 Books


Circular no. 39

By Bonsteel, Jay Allan. . Genre Soils / United States . Names soil / areas / type / area / grass and 156 more
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Bulletin ; no. 10

By Richards, Edgar. . Genre Soils / Analysis . Names soil / ammonia / organic matter / plants / io and 448 more
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Circular no. 49

By Bonsteel, Jay Allan. . Genre Soils / United States . Names areas / soil / type / area / grass and 117 more
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Circular no. 15

By Gardner, Frank D. (Frank Duane), 1864-1963 . Genre Soils / Maryland . Names soil / plants / wheat / organic matter / type and 97 more
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Circular no. 34

By Bonsteel, Jay Allan. . Genre Soils / United States . Names soil / type / areas / organic matter / area and 119 more
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