United state 

 - ENDURO pipeline services, inc.  2015  112 p. :ill. ; 27 cm. 
 - Gas pipelines--Periodicals. Gas distribution--Periodicals. Pipelines--Periodicals.  
<br/><br/><label>ISSN: </label>TP 757 .P57/ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SR
<br/><br/><label>LC Class. No.: </label>Pipeline & gas journal