Hallmark, Dasel E. Hendrickson, John. G <br/><br/>
Earth and traffic loads on conduits 

 - Skokie  Portland Cement Association  1967 
 - p.50 
<br/><br/><label>Subjects--Topical Terms: </label> Cocrete pipe  Earth Loads   Conduits  Sewers 
<br/><br/><label>Dewey Class. No.: </label>628.15 H16E