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Start Over You searched for: Place Boston Harbor (Mass.) Remove constraint Place: Boston Harbor (Mass.) Resource Type Polygon data Remove constraint Resource Type: Polygon data Creator SeaPlan Remove constraint Creator: SeaPlan

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2014. SeaPlan. This polygon shapefile represents eelgrass beds in the Northeastern United States. Eelgrass (Zostera marina) beds are critical wetlands components ... Northeast Regional Ocean Council.
2014. SeaPlan. The Regulated, Safety and Security Zones map layer identifies areas in which vessel access is either limited or restricted, or within which special... Northeast Ocean Data.