right-of-entry only and right-of-entry plus enforcement authority;

the effectiveness of health and safety education and training;

the magnitude of effort and costs of each of these possible phases of an effective safety program for metal and nonmetallic mines (excluding coal and lignite mines); and the scope and adequacy of State mine safety laws applicable to such mines and the enforcement of such laws.

The Secretary of the Interior or any duly authorized representative shall be entitled to admission to, and to require reports from the operator of, any metal or nonmetallic mine which is in a State (excluding any coal or lignite mine), the products of which regularly enter commerce or the operations of which substantially affect commerce, for the purpose of gathering data and information necessary for the study authorized in the first section of this Act.

As used in this section --

the term ``State'' includes the Commonwealth of Puerto Rico and any possession of the United States; and the term ``commerce'' means commerce between any State and any place outside thereof, or between points within the same State but through any place outside thereof.

The Secretary of the Interior shall submit a report of his findings, together with recommendations for an effective safety program for metal and nonmetallic mines (excluding coal and lignite mines) based upon such findings, to the Congress not more than two years after the date of enactment of this Act.