40 Nebraska Experiment Station Research Bui. 15 
ACRES PER FARM 
Fig. 10.— A cross-section measurement of size-of-farm following approxi- 
mately the line of 240 month -degrees from Iowa into Colorado. 
THAYER TYPE 
ig\ 
U / 
1 
J 
A N S A S 
HARLAN TYPE 
CROP AND 
PASTURE 
CROWTH 
HITCHCOCK TYPE OT FARM 
CROP AND 
CROP AND PASTURE CROWTH 
1909 
PASTURE CROWTH 
1909 
1909 
dienes - 
PASTURE LAND 
CROP UTO ^ ptsiimi LANO 
148 ACRES I 
CWim p/- 
micas ...«p 
I ARM ARU 8/4 ACRES 
ARM ARU.VSACR IS 
FARM ARU 194 ACRES 
Fig. 17. — The relntion of the size of farm to the total annual growth of crops 
and pasture. 
