United States–east coast, Rhode Island–Connecticut–New York, Block Island Sound and approaches: National Ocean Survey 1974
“LORAN-A overprinted.” Depths shown by isolines and soundings. Relief shown by contours and spot heights. “Soundings in feet.” Includes text, new chart numbering system table and key map with reference numbers for larger scale maps of the area. “13205 (formerly C & GS 1211).” Same map with LORAN-C overprinted on verso.
RelationFull catalog record
Size100 × 83 cm
DownloadLow Resolution Image
CreatorNational Ocean Survey,