Greenly, Edward <br/><br/>
Methods in geological surveying 
Edward Greenly, Howel Williams 
 - London  Thomas Murby  1930 
 - xvi, 420 p.  ill.,tables  22 cm 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surveying<br/>Geology--Field work