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Brian G Frizzelle Author

John Spencer is Assistant Director for Spatial Analysis in the Carolina Population Center at the University of North Carolina, Chapel Hill.

Brian G. Frizzelle is Research Associate and Senior Spatial Analyst in the Carolina Population Center at the University of North Carolina, Chapel Hill.

John B. Vogler is Spatial Information Technology Specialist in the Research Program at the East-West Center, Hawaii, USA.

Philip H. Page is Director for the Spatial Analysis Unit in the Carolina Population Center at the University of North Carolina, Chapel Hill.