Earle, J. B. F. <br/><br/>
A century of road materials :  the history of the Roadstone Division of Tarmac Ltd / 
J. B. F. Earle 
 - Oxford :  Basil Blackwell,  c1971 
 - xviii, 182 p., [17] p. of plates :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0631138900 :  PND 6.00 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Tarmac Ltd. Roadstone Division 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Road construction industry--Great Britain<br/>Quarries and quarrying--Great Britain
<br/><br/><label>Dewey Class. No.: </label>338.47625735