Hillman, C. Thomas. <br/><br/>
Mining deep ocean manganese nodules :  description and economic analysis of a potential venture / 
by C. Thomas Hillman and Burton B. Gosling. 
 - Washington, D.C. :  U.S. Dept. of the Interior, Bureau of Mines,  1985. 
 - 19 p. :  ill. ;  28 cm. 
 - Information circular / United States Department of the Interior, Bureau of Mines ;  9015 .
 - Information circular (United States. Bureau of Mines) ;  9015. .
<br/><br/>Bibliography: p. 15-16. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manganese nodules.<br/>Manganese mines and mining, Submarine.
<br/><br/><label>LC Class. No.: </label>TN295  TN490.M3  / .U4 no. 9015 
<br/><br/><label>Dewey Class. No.: </label>622 s  338.2/74�19 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 28.27:9015