John I. Platt, John Challinor <br/><br/>
Simple Geological Structures  40 Museum Street London, W.C.I 
John I. Platt, John Challinor 
 - London  London  1956 
 - 56 pages  ill, col, photo, maps, table,graph  130cm 
<br/><br/> A series of notes and map exercises 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geological structures--London