Suitable hard hats
Series: Program information bulletin -- no. P11-36; Program information bulletin -- no. P 11-36.
Publisher: U.S. Dept. of Labor, Mine Safety and Health Administration
Published: 2011
Place of publication: Arlington, Va
Language: eng
Format: [electronic resource]
Subjects: Mine safety; Mines and mineral resources; Equipment and supplies; Safety hats
Notes: Title from title screen (viewed on July 26, 2011).

"Issue date 5/10/2011."