Hack, John Tilton  1913-1991 <br/><br/>
Interpretation of Cumberland Escarpment and Highland Rim, South-Central Tennessee and Northeast Alabama / 
by John T. Hack. 
 -- Washington :   United States Government Printing Office,   1966 
 - 16 p. + map. -- 
 (Geological Survey Professional Paper  ;  524-C).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Alabama<br/>Geología<br/>Tennessee
<br/><br/><label>Universal Decimal Class. No.: </label>55(761+768)