Which of the following are identifying features of the agricultural landscape in the Northern Plains regions of the United States?
a. Tiered and diked fields that are flooded for irrigation
b. Small fields with mixed crops close to urban
areas
c. Vast fields and numerous buildings with crops laid out in a linear pattern
d. Farmsteads with a silo for storing feed for livestock
e. Vast fields of wheat interspersed with grain elevators
c. Vast fields and numerous buildings with crops laid out in a linear pattern
d. Farmsteads with a silo for storing feed for livestock