In mining operations the lessee shall keep the mine well and sufficiently timbered at all points where necessary, in accordance with good mining practice, and in such manner as may be necessary to the proper preservation of the property leased and safety of workmen.
authority: Sec. 2, 35 Stat. 312; sec. 18, 41 Stat. 426; sec. 1, 45 Stat. 495; sec. 1, 47 Stat. 777;
25 U.S.C. 356; and Sec. 701, Pub. L. 114-74, 129 Stat. 599. Interpret or apply secs. 3, 11, 35 Stat. 313, 316; sec. 8, 47 Stat. 779, unless otherwise noted
source: 22 FR 10599, Dec. 24, 1957, unless otherwise noted. Redesignated at 47 FR 13327, Mar. 30, 1982.
cite as: 25 CFR 213.35