http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Maps showing the results of a subbottom acoustic survey of Boston Harbor, Massachusetts
4 maps on 2 sheets ; 37 x 49 cm., sheets 101 x 114 cm. and 89 x 112 cm., folded in envelope 30 x 24 cm.
Department of the Interior, U.S. Geological Survey ; by Richard R. Rendigs and Robert N. Oldale.
Includes text, bibliography, profiles, and index map.
Miscellaneous field studies ; map MF-2124