Sheldon, Richard P. <br/><br/>
Relation between specific gravity and iron content of rocks from the red mountain formation, Alabama / 
by Richard P. Sheldon 
 - Washington, D.C. :  United States Government Printing Office,  1964 
 - Various pagings :  ill. ;  22 cm. 
 - U.S. Geological Survey bulletin ;  no.1182-D .
<br/><br/>Includes bibliography 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater--Economic geology
<br/><br/><label>Dewey Class. No.: </label>552.09761