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Welcome to the Mid-Atlantic Information Node
The Mid-Atlantic Information Node (MAIN) is a regional node of the National Biological Information Infrastructure (NBII) encompassing Delaware, Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia. Our primary mission is to facilitate access to and use of biological resource information that is available for the region.
To learn more, please visit our About the Node page, or click a link below for a list of state-related content.
The Mid-Atlantic region encompasses (clockwise from top):