NATIONAL MIN. ASS'N v. MINE SAFETY & HEALTH ADMIN.

Attorney(s) appearing for the Case

Henry Chajet, argued the cause, for petitioner National Mining Association, with whom Harold P. Quinn, Jr. and Michael F. Duffy, Washington, DC, were on the briefs.

Judith Rivlin, Washington, DC, argued the cause, for petitioner United Mine Workers of America, International Union, with whom Grant Crandall was on the briefs. Mary L. Jordan and Robert H. Stropp, Jr., entered appearances.

Jerald S. Feingold, Attorney, Arlington, VA, United States Department of Labor, argued the cause, for respondents, with whom J. Davitt McAteer, Acting Solicitor, Mount Hope, WV, W. Christian Schumann, Counsel, Washington, DC, and Edward J. Sexauer, Attorney, were on the brief.

Before SENTELLE, RANDOLPH and ROGERS, Circuit Judges.