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Catalog Record High-resolution geologic mapping of the Inner Continental Shelf, Nahant to Gloucester, Massachusetts                                          Contributor: Geological Survey (U.S.) Site: Main Catalog Original Format: Map Date: 2006  
Catalog Record High-resolution geologic mapping of the Inner Continental Shelf Boston Harbor and approaches, Massachusetts /                                          Contributor: Ackerman, S. D. Site: Main Catalog Original Format: Map Date: 2006