TY  - BOOK
AU  - Trimble,Stanley Wayne
TI  - Historical Agriculture and Soil erosion in the Upper Mississippi Valley hill country
SN  - 9781466555747 (hardcover : alk. paper)
U1  - R-631.45 23
PY  - 2013///
CY  - Boca Raton
PB  - CRC Press, Taylor & Francis Group
KW  - Soil erosion
KW  - Driftless Area
KW  - History
KW  - 19th century
KW  - 20th century
KW  - Agriculture
KW  - Environmental aspects
ER  -