KLEPPE, SECRETARY OF THE INTERIOR v. DELTA MINING, INC., Et Al.

We granted certiorari in this case and consolidated it for argument with No. 73-2066, National Independent Coal Operators’ Assn. v. Kleppe, ante, p. 388, decided today, to resolve an apparent conflict between the two Circuits.

In 1971 and January 1972 inspectors from the Bureau of Mines entered and inspected the coal mines owned respectively by Delta Mining, Inc., G. M. W. Coal Co., Inc., and a partnership of Edward Mears and others known as the M. Y. Coal Co. The inspectors detected a number of violations of the Federal Coal Mine Health and Safety Act of 1969, 83 Stat. 742, 30 U. S. C. § 801…