Title block of the hydrographic survey H-406 of “Two Lines of Deep Sea Soundings to the Southward of Nantucket.” Noted number of miles run deep sea soundings, 207.0.
Photo Category: Coast and Geodetic Survey - Archive Hydrographic Survey - Seafloor Mapping
Photo Location: Massachusetts, Nantucket offshore
Photo Date: 1853
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Added On | 16th October 2015 |
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