Black lung benefits provisions of the Federal coal mine health and safety act  hearings before the Committee on Education and Labor, House of Representatives, Ninety-fifth Congress ... Washington, D.C., March 14-17, 21, 1977. 

 - Washington  U.S. Govt. Print. Off.  1977. 
 - v, 320 p.  24 cm. 
<br/><br/><label>LCCN: </label>77603094 //r853 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insurance, Disability--Law and legislation--United States.<br/>Lungs--Dust diseases.<br/>Coal miners--United States.
<br/><br/><label>LC Class. No.: </label>KF27  / .E3 1977a 
<br/><br/><label>Dewey Class. No.: </label>344/.73/021