Title block of the hydrographic survey H-406 of Two Lines of Deep Sea Soundingsto the Southward of Nantucket. Noted number of miles run deep sea soundings,207.0.
4/3/2019 11:53:51 AM
Date: 1853
Credit: NARA C&GS; Colllection
Location: Massachusetts, Nantucket offshore
Subject: Coast and Geodetic Survey
Subject: Archive Hydrographic Survey
Subject: Seafloor Mapping