On February 22, 1971, the Supreme Court granted the Sierra Club's petition for writ of certiorari in Sierra Club v. Morton (Rogers B. Morton substituted as defendant Secretary of Interior for Walter J. Hickel). See previous discussion, 1 ELR 10002. The motion of the United States Ski Association et al for leave to file a brief as amici curiae was also granted. Petitioner has 45 days in which to file its brief.