United States. Committee on Education and Labor. House. Committee on Education and Labor.
Title:
The Upper Big Branch mine tragedy [electronic resource] : field hearing before the Committee on Education and Labor, U.S. House of Representatives, One Hundred Eleventh Congress, second session, hearing held in Beckley, WV, May 24, 2010.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.