
    No. 91-1170.
    No. 91-1171.
    No. 91-1172.
    Snowshoe Co. et al. v. Bray et al.; Snowshoe Co. et al. v. Bray et al.; and Snowshoe Co. v. Bray et al.
   C. A. 4th Cir. Certiorari denied. Reported below: 948 F. 2d 1283.  