an important milestone in
agricultural efficiency,
which opened new land to cultivation,
and which later revolutionized earth moving and military vehicles
is designated a
HISTORIC LANDMARK
OF
AGRICULTURAL ENGINEERING
by the
American Society of Agricultural Engineers
1981 (1983?)
American Society of Agricultural and Biological Engineers 2950 Niles Road, St. Joseph, MI 49085|phone 269.429.0300|fax 269.429.3852|hq@asabe.org