 The bill had gone through the assembly 77 days earlier when Representatives voted 91-6 in favor of the bill.The moratorium mandated that mining companies prove similar mines had existed safely before the state would grant permits.In a mid-1990s lawsuit finally decided by the U.S. Supreme Court in 2002, the right of Indian nations to have "Treatment as a State" status on applicable issues was interpreted to apply to setting and enforcing clean air and water standards.