1th Cir.1985) (affirming intervention denial in part because time and effort spent to formulate settlement of case would be for naught); cf. also Engra, Inc. v. Gabel, 958 F.2d 643. 645 (5th Cir.1992) (viewing as untimely motion to intervene filed eight months after settlement); Aleut Corp. v. Tyonek Nat