Pratt, Walden P. <br/><br/>
Regional potential of selected Paleozoic carbonate units in the northern midcontinent for undiscovered Mississippi Valley-type deposits / 
by Walden P. Pratt ; prepared in cooperation with the geological surveys of Arkansas ... [et. al.] 
 - Washington, D.C. :  United States Government Printing Office,  1995 
 - iv, 14 p. :  ill., maps (some col.) ;  28 cm. 
 - U.S. Geological Survey bulletin ;  1989-G .
<br/><br/> Three folded maps in pocket 
<br/><br/>Includes bibliographical references (p. 12-14) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zinc ores--Middle West<br/>Lead ores--Middle West<br/>Rocks, Carbonate--Middle West<br/>Geology, Stratigraphic--Paleozoic
<br/><br/><label>Dewey Class. No.: </label>553.440977