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Author
Nature Conservancy (U.S.)
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Public
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Subject
Environment
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Subject
Marine habitats
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Year
1979
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1. Marine Mammals Sightings Per Unit Effort, 1979-2007
1979. Nature Conservancy (U.S.). Geospatial data obtained from the United States Navy included point shapefiles of valid sightings for all marine mammal targets and pre-calculated ... Northeast Ocean Data.