TY - RPRT TI - A GIS library of multibeam data for Massachusetts Bay and the Stellwagen Bank National Marine Sanctuary, offshore of Boston, Massachusetts AU - Bradford Butman AU - Page C. Valentine AU - Tammie J. Middleton AU - William W. Danforth PY - 2007 DO - 10.3133/ds99 UR - https://pubs.usgs.gov/publication/ds99 ID - ds99 ER -