Spurr, Stephen Hopkins <br/><br/>
Photogrammetry and photo-interpretation  with a section on applications to forestry 
Stephen H. Spurr. 
 - 2nd ed. of Aerial photographs in forestry. 
 - New York :   Ronald Press,   1960. 
 - 472 pages :    illustrations ;    24 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forest surveys<br/>Photographic surveying<br/>Photography, Aerial