Good margins, because of its strategic location (ARSC is closer to its target markets than its competition and has large shares within its markets); and The recession-resistant nature of its product. Very limited operating history, product, and operating diversity, because the company relies on a single product--highway deicing salt--and has only one mine; Highly seasonal business; and Significant financial leverage. The ratings on Mount Morris, N.Y.-based American Rock Salt Co. LLC (ARSC) reflect the company's limited operating history and diversity because of its reliance on a single mine to produce its primary product--highway deicing salt. The dependence on a single mine heightens the risk of disruption to operations. The ratings also reflect the company's aggressive financial profile, seasonal demand (which