5 miles W. of Winyard 1 mile N. on Big Quill Rd., Wynyard, SK

Big Quill Resource is Canada's largest Potassium Sulphate producer. The company was bought from P.C.S in 1991 by the employees. It produces the purest potassium sulphate in the world on first run, at 99.7%. The company has expanded in 1991, ...