This series is designed to focus on key issues of significance to moderncartography. Each volume contains edited contributions from selectedauthors focussed on a specific theme. The general editor of the series is Professor D. R. Fraser Taylor, Professor of Goegraphy & Environmental Studies, and International Affairs and Director, Geomatics and Cartographic Research Centre, Carleton University, 1125 Colonel By Drive, Ottawa Canada K1S 5B6. Telephone: 613-520-3979, Fax: 613-520-2395, E-Mail: firstname.lastname@example.orgThe series has an editorial advisory board consisting ofJ.T. Coppock, University of Edinburgh, ScotlandJ.P. Grelot, Institut Geographic National, Paris, FranceHu Yuju, Wuhan Technical University of Surveying and Mapping, People'sRepublic of ChinaT. Kanakubo, Japan Map Center, Tokyo, JapanJ.L. Morrison, US Bureau of the Census, Washington, D.C., USAB. Rystedt, Nationa Land Survey, Gavle, SwedenThe general editor would welcome proposals for specific themes for future volumes in this series. Such proposals should include an initial outline and suggestions for potential authors.