
    No. 75-510.
    No. 75-545.
    Flint Ridge Development Co. v. Scenic Rivers Association of Oklahoma et al.; and Hills, Secretary of Housing and Urban Development, et al. v. Scenic Rivers Association of Oklahoma et al.
   C. A. 10th Cir. [Certiorari granted, 423 U. S. 1013.] Motion of the Attorney General of California for leave to file an untimely brief as amicus curiae granted.  