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|Material Type:||Government publication, State or province government publication|
|All Authors / Contributors:||University of Texas at Austin. Petroleum Extension Service.; Pipe Line Contractors Association.; Texas Education Agency. Trade and Industrial Service.|
|Notes:||Z, UA337.8, P935p.|
|Description:||69 pages : illustrations ; 28 cm|
|Responsibility:||Petroleum Extension Service, the University of Texas at Austin, Division of Extension, Austin, and Pipe Line Contractors Association, Dallas, in cooperation with Texas Education Agency, Trade and Industrial Service, Austin.|