Conway, Steve. <br/><br/>
Timber cutting practices. 

 - Completely rev. 2nd ed. 
 - San Francisco :  Miller Freeman Publications,  1973. 
 - 192 p. :  ill. ;  24 cm. 
<br/><br/> 'A Forest Industries book.' 
<br/><br/>p. 182-183. 
<br/><br/><label>ISBN: </label>0879300213 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logging--Handbooks, manuals, etc.<br/>Tree felling--Handbooks, manuals, etc.