Schopf, Thomas J. M. <br/><br/>
Atlantic continental shelf and slope of the United States : nineteenth Century exploration / 
by Thomas J. M. Schopf. 
 -- Washington :   United States Government Printing Office,   1968 
 - 12 p. -- 
 (Geological Survey Professional Paper  ;  529-F).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estados Unidos<br/>Geología
<br/><br/><label>Universal Decimal Class. No.: </label>55(78)