This material has been prepared by the School of Earth Sciences, Macquarie University, Sydney, Australia, for use in its course unit GEOS264 Geographic Information Systems.Macquarie University makes certain statements and claims with respect to material made available from the University via electronic means. Except where an overriding statement or claim is explicitly made in thedocument or accompanies the material, the following statements are applicable to the document or material:
Copyright (c) 1996 by Macquarie University. All rights reserved.
Educational institutions may reproduce and distribute these materials for educational use provided credit and notification are given, the copyright noticeis retained at the head of any copies made and that the name of MacquarieUniversity not be used in advertising or publicity without specific prior written permission.Commercial use of these materials is prohibited withoutprior written permission.
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For more information about this material or GEOS264 Geographic Information Systems, contact the Unit Lecturers,
Mike Poulsen, email: mike.poulsen@mq.edu.au
Carol Jacobson, email: carol.jacobson@mq.edu.au