Are You Giving Your Livestock 
and Poultry 
THE 14 MINERALS 
NECESSARY FOR 
VIGOROUS GROWTH 
AND HEALTH? 
[GR££b£ R'S 
Mineral Supplement 
and Tonic 
Supply Them 
Economically 
State Experiment Stations Have 
Found They Need All These 
Iron 
Copper 
Sulfur 
Cobalt 
Chlorine 
Sodium 
Phosphorus 
Calcium 
Iodine 
Potassium 
Manganese 
Magnesium 
Nickle 
Nitrates 
