Historical agriculture and soil erosion in the upper Mississippi Valley hill country

Wedi'i Gadw mewn:

Manylion Llyfryddiaeth
Prif Awdur:	Trimble, Stanley Wayne
Awdur Corfforaethol:	ProQuest (Firm)
Awduron Eraill:	Goudie, Andrew
Fformat:	Electronig eLyfr
Iaith:	Saesneg
Cyhoeddwyd:	Boca Raton : CRC Press, 2013.
Pynciau:	Soil erosion > Driftless Area > History > 19th century. Soil erosion > Driftless Area > History > 20th century. Agriculture > Environmental aspects > Driftless Area > History > 19th century. Agriculture > Environmental aspects > Driftless Area > History > 20th century. Electronic books.
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Tagiau:	Ychwanegu Tag Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!

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