Grout, Frank F.  1880- <br/><br/>
The geology and magnetite deposits of northern St. Louis County, Minnesota / 
by Frank F. Grout. 
 - Minneapolis :  University of Minnesota,  1926. 
 - x, 220 p., 12 leaves of plates :  ill. ;  23 cm. 
 - Bulletin / the University of Minnesota, Minnesota Geological Survey ;  no. 21 .
 - Bulletin (Minnesota Geological Survey) ;  no. 21. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>gs 27000138  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Minnesota--Saint Louis County.<br/>Magnetite--Minnesota--Saint Louis County.<br/>Iron ores--Geology--Minnesota--Saint Louis County.
<br/><br/><label>LC Class. No.: </label>QE127  / .A22 no. 21