406 U.S. 498 92 S.Ct. 1749 32 L.Ed.2d 257 LAKE CARRIERS’ ASSOCIATION et al., Appellants,v.Ralph A. MacMULLAN et al. No. 71-422. Argued March 22 and 23, 1972. Decided May 30, 1972. Although Michigan authorities indicated that they would not prosecute under Michigan Watercraft Pollution Control Act of 1970 until adequate land-based pump-out facilities were available […]
