Operating regulations to govern the methods of mining and the safety and welfare of employees on leased lands on the public domain
Subtitle: under the mineral leasing acts: Potash--October 2, 1917 (40 stat. 297) and February 7, 1927 (44 stat. 1057); Oil shale, sodium, phosphate--February 25, 1920 (40 stat. 437); Sulphur--April 17, 1926 (44 stat. 301); Gold, silver, and quicksilver--June 8, 1926 (44 stat. 710). Approved June 2, 1927
Publisher: Govt. Print. Off.
Published: 1927
Place of publication: Washington
Language: eng
Subjects: Mining law; Mine safety
Notes: At head of title: Department of the Interior.

Microfilm. New York, N.Y., Columbia University Libraries, 1997. 1 microfilm reel, 35 mm.

Filmed; NEH Project (FMEST); 1997.