
    No. 73-1902.
    No. 73-6856.
    No. 73-6991.
    No. 74-426.
    No. 74-5132.
    No. 74-5527.
    National Independent Coal Operators Assn. v. Brennan, Secretary of Labor, Robinson v. Jefferson County Board of Education et al., Williams v. California, Joiner et al. v. City of Dallas et al., Young v. United States, Bridges v. Tennessee,
   ante, p. 955;

ante, p. 862 ;

ante, p. 1046;

ante, p. 1042;

ante, p. 1002; and

ante, p. 1097. Petitions for rehearing denied.  