Dig in! hands-on soil investigations.
Sparad:
| Institutionella skapare: | , |
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| Materialtyp: | Elektronisk E-bok |
| Språk: | engelska |
| Publicerad: |
Arlington, Va. :
NSTA Press,
c2001.
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| Ämnen: | |
| Länkar: | An electronic book accessible through the World Wide Web; click to view |
| Taggar: |
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| Beskrivning: | "NSTA Stock Number: PB159X"--verso of title page. "Published with support from the Natural Resources Conservation Service, U.S. Department of Agriculture"--title page. |
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| Fysisk beskrivning: | xxii, 129 p. : ill. |
| Bibliografi: | Includes bibliographical references (p. 123-126). |