Table III. Gypsum or Land Plaster. 



Note: The small amount of calcium and magnesium carbonates present in gypsum would, to 

 a slight extent, neutralize sour soils: the calcium sulfate would not be effective for this purpose. 



Publication of this Document Approved by the Commission on Adminieteation and Finance 

 2,500— 2-'34. No. 604. 



