| Online link | https://cmgds.marine.usgs.gov/catalog/whcmsc/open_file_report/ofr2002-002/81_2navt_meta.faq.html |
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| Description | This GIS layer contains the shiptrack navigation collected aboard the R/V ASTERIAS during a 1981 geophysical curise to Block Island Sound and easternmost Long Island Sound. |
| Originators | () and () |