This is due to a combination of high quality soils which grow feed and cash grains and other specialty crops and high levels of development through growth in the nearby cities of Chicago, Madison, Milwaukee and Rockford (Greene, 1997;
(This; is; due to a combination of high quality soils) (high quality soils; grow; feed and cash grains and other specialty crops and high levels of development)
This high quality soils
is grow
due to a combination of high quality soils
feed and cash grains and other specialty crops and high levels of development