TY - RPRT TI - Shaded relief and sea floor topography of Quadrangle 1 in western Massachusetts Bay offshore of Boston, Massachusetts AU - Bradford Butman AU - Laura Hayes AU - W. W. Danforth AU - P. C. Valentine PY - 2003 DO - 10.3133/i2731b UR - https://pubs.usgs.gov/publication/i2731B ID - i2731B ER -