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Task 1:
Representativeness Assessments
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| Physiographic Regions |
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| The tribal assessment was
conducted within the COHA physiographic regions that were based upon similar
terrain and defined areas of similar aerosol characteristics. There are 18
separate regions within the WRAP and 4 others in the CENRAP region as shown
in the map below. |
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Last updated 18 October 2007
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