Edmunds, William E.  <br/><br/>
Characteristics of the Mid‐Carboniferous boundary and associated coal‐bearing rocks in the Appalachian Basin: Morgantown, West Virginia to Chattanooga, Tennessee, July 19–27, 1989  [eBook] 

 - Washington, D. C.  American Geophysical Union   1989 
 - Online resource 
 - Field Trip Guidebooks Series; v. 352 .
<br/><br/><label>ISBN: </label>9781118667378 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Carboniferous Geologic PeriodGeology, StratigraphicAppalachian Basin GuidebooksAppalachian Basin