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Appendix
C.
Prime
Farmland Ratings
Big
Darby
Creek
Headwaters Soils – Map C-1
In
Champaign
and
Logan
Counties
a fairly high percent of soils are not prime because of steep slopes.
Areas of this watershed near
Big
Darby
Creek
are rated prime for agricultural purposes.
In the remaining portions, most soils are prime if properly drained.
Union
County
also represents the only county in the watershed that defines soils of local
importance. Soils included in this
definition are those that would normally not be included as prime but are still
recognized as productive soils in
Union
County
.
Middle Big
Darby
Creek
Soils – Map C-2
The majority of land in the
Middle
Darby
Creek
watershed is rated “prime if drained.”
Only a few soils near
Big
Darby
Creek
are rated as “all prime.” The
soils that are not prime are those with steep slopes along the creek.
Little
Darby
Creek
Watershed – Map C-3
The farmland ratings in this watershed are dominated by
land that is “prime if drained” in
Madison
County. In the hilly portions of
Champaign
County
slope limits the productivity of farmland.
Soils rated as “all prime” are centered along the Little Darby Creek
and into
Champaign
County.
Lower Big
Darby
Creek
Soils – Map C-4
Nearly half of the watershed has soils that are “prime if
drained” and those are generally in the outer reaches of this watershed and in
Franklin
County. The steeply sloping soils along
the Big Darby are rated “not prime.”
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