To amend the Federal Mine Safety and Health Act of 1977 to require greater experience of mine safety inspectors under that Act.

Amends the Federal Mine Safety and Health Act of 1977 to increase from 5 to 10 the minimum number of years of practical mining experience a person selected by the Secretary of Labor for appointment as a mine inspector must have. Requires mine inspectors assigned to the inspection and investigation of individual mines to have at least 2 years previous experience in the particular type of mining operation where such inspections are to be made.