To promote health and safety in the building trades and construction industry.  Hearings, Ninety-first Congress, first session, on H.R. 3290 ... March 26, 27, and April 21, 1969. 

 - Washington  U.S. Govt. Print. Off.  1969. 
 - iv, 146 p.  24 cm. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>72602595  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Construction industry--Safety regulations--United States.<br/>Public contracts--United States.
<br/><br/><label>LC Class. No.: </label>KF27.E345 1969 
<br/><br/><label>Dewey Class. No.: </label>690