 Region 1 Region 2 Region 3 Region 4 |
 Region 5 Region 6 Region 7 Region 8 |
Province boundaries, names, and codes determined by the following
region coordinators:
Region 1 - Gregory F. Ulmishek and others
Region 2 - Thomas S. Ahlbrandt and Richard M. Pollastro
Region 3 - Peter J. McCabe and Jin Qiang
Region 4 - Donald L. Gautier and Mark J. Pawlewicz
Region 5 - Gordon L. Dolton (with others for the U.S., 1995)
Region 6 - Christopher J. Schenk
Region 7 - Michele L. Tuttle, Ronald R. Charpentier, and Michael E. Brownfield
Region 8 - Ben E. Law and Craig J. Wandrey
This map is preliminary and has not been reviewed for conformity with
U.S. Geological Survey editorial standards.
This map is not an authority on the delineation of international boundaries
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