Use case scenarios:
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Use Case - Binational and Regional Perspective (updated on 5/7/07)
Use Case - Research, Education, Private Consortia and NGOs Perspectives (draft of 5/7/07)
Use Case - State, Provincial and Municipal Agency Perspectives (draft of 5/7/07)
Use Case - U.S. and Canadian Federal Agency Perspective (updated on 5/7/07)