Cordes, Lawrence D.Wallace, Kenneth D. (Kenneth Dale), 1953-2005-07-212005-07-2119840315223731http://hdl.handle.net/1880/23201Bibliography: p. 129-134.xii, 147 leaves : ill. ; 30 cm.engUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.S 621.5 P57 W34 1986Pipe lines - Economic aspects - AlbertaAgriculture - Economic aspects - AlbertaAgricultural productivity - Albertamaster thesis10.11575/PRISM/19351S 621.5 P57 W34 1986