Commodity2005200620072008200920102011
Worked slate & arts. of slate/agglom. slate$57,073$552,578$843,949$1,587,814$1,708,103$1,524,496$1,139,786
Total$57,073$552,578$843,949$1,587,814$1,708,103$1,524,496$1,139,786