Coulson, Michael R. C.Mak, Katherine2005-07-212005-07-2119890315503408http://hdl.handle.net/1880/21662Bibliography: p. 214-225.xx, 252 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.GA 102.4 E4 M34 1989Maps - Computer programsA Comparative investigation of classed and unclassed choropleth map communicationmaster thesis10.11575/PRISM/24214GA 102.4 E4 M34 1989