Dumbleton, M. J. <br/><br/>
Air photographs for investigating natural changes,  past use and present condition of engineering sites 

 - Crowthorne, Berkshire :  Transport and Road Research Laboratory,  1983 
 - 38, 19 p 
 - Transport and Road Research Laboratory. TRRL Laboratory report ;  no. 1085 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photography, Aerial
<br/><br/><label>LC Class. No.: </label>TE7 R63 no. 1085