. CORNELL 
KEYSTONE 
SELECTED 
CLEANED 
-ITESTED 
KEYSTONE Wad 
TRADE MARK 
SEEDS 
“‘The Emblem of Quality’’ 
Keystone Seeds represent a standard of quality achieved through years of careful 
field testing and selecting the finest strains available in each variety. They are the result 
of careful breeding, supervised production, careful harvesting and cleaning, and their 
quality is proved by both laboratory and field tests. 

CAREFUL BREEDING 

MAKING PEA CROSSES ON OUR TWIN FALLS BREEDING AND EXPERIMENTAL FARM. 
SUPERVISED PRODUCTION 
CORNELI SEED 
CONTR ACP ERNE S 

OUR GROWING STATIONS AND CLEANING PLANTS ARE CAREFULLY LOCATED 
AND CHOSEN TO ASSURE THE BEST OF SUPERVISION. 
ODE fe OF 
