H.R. 5663, Miner Safety and Health Act of 2010: Sec. David Michaels

From: Committee on Education & Workforce Democrats

Added: 16 years ago · 5:42 · 480p

http://edlabor.house.gov/hearings/2010/07/hr-5663-miner-safety-and-healt.shtml Sec. David Michaels, Assistant Secretary of ...