An agricultural liming material contains calcium (Ca) and/or magnesium (Mg) compounds capable of neutralizing soil acidity. These materials include: limestone (both calcitic and dolomitic), burned ...

Dow purchased land on Freeport Harbor in 1943 to assist in magnesium extraction. Oyster shells were one of several resources and attributes that made Freeport, Texas, attractive to Dow. With Beutel in ...