Intrepid bought the mine in 2000 from the Potash Corporation of Saskatchewan, which had bought Texas Gulf in 1995.
The Potash Corporation of Saskatchewan Inc. has donated $300,000.
The main potash mining company in Saskatchewan is the Potash Corporation of Saskatchewan.
The world's biggest fertilizer producer, the Potash Corporation of Saskatchewan, said earnings this year would fall short of earlier estimates, by 8 to 17 percent.
The shares of the Potash Corporation of Saskatchewan rose yesterday after the company announced a new export contract with China.
Another favorite: the Potash Corporation of Saskatchewan, which is profiting from supply disruptions in Germany and Russia.
Another stock many analysts prefer to Terra is the Potash Corporation of Saskatchewan, the world's largest producer of potash.
Major potash-producing companies include the Potash Corporation of Saskatchewan.
Thus in 1975 the provincial government established the Potash Corporation of Saskatchewan as a government crown corporation.
On 14 November 2010, the company announced that it was dropping its offer for Potash Corporation of Saskatchewan.