Wills, L J. <br/><br/>
Concealed coalfields : a palaeogeographical study of the stratigraphy and tectonics of mid-England in relation to coal reserves / 
By L. j .Wills. 
 - London :   Blackie & son lim.  1956. 
 - xiii, 208 p.;  illus., maps (2 fold.) tables.   26 cm. 
<br/><br/>Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  Coalfields -- England.    <br/> Geology -- England.    <br/> Geology, Stratigraphic.     
<br/><br/><label>Dewey Class. No.: </label>553.24  / WIC 1956