Camp, Walter Mason,  1867-1925, <br/><br/>
Notes on track :  Construction and maintenance / 
by W. M. Camp 
 - 2 # rev. ed 
 - 1223 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vías férreas
<br/><br/><label>LC Class. No.: </label>TK240  / C35 1904