The publications of the Bureau of Mines shall be published in editions recommended by the Secretary of the Interior, but not to exceed ten thousand copies for the first edition. When the edition of a publication of the Bureau of Mines is exhausted and the demand for it continues, there may be published, on the requisition of the Secretary of the Interior, as many additional copies as the Secretary of the Interior considers necessary to meet the demand.
[Pub. L. 90–620], Oct. 22, 1968, [82 Stat. 1270].)