WE SALUTE AREA CORN PRODUCERS Call us for your 2020 fertilizer and chemical needs. BLACK HAWK SOIL SERVICE 2170 Ginkgo Ave. West Chester, IA 52359 319-698-4460 WE SALUTE AREA CORN PRODUCERS Call us for your 2020 fertilizer and chemical needs. BLACK HAWK SOIL SERVICE 2170 Ginkgo Ave. West Chester, IA 52359 319-698-4460