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Original vintage U.S. government nautical chart coveringMartha’s Vineyard to Block Island.
Chart No. 13218
20th Edition — July 17, 1976
Formerly C&GS 1210
LORAN-A/C Overprinted
Scale: 1:80,000
Approximate size: 36\" × 42\"
Published in Washington, D.C. by theU.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Ocean Survey.
The chart has the distinctive coloredLORAN navigation lines overprinted across the original nautical chart, making it an interesting piece of maritime and navigation history.
![Vintage 1976 MARTHA\'S VINEYARD to BLOCK ISLAND 13218 Nautical Map - 35½\](img-large/g/Uh8AAeSwv91qt~wi/s-l1600/Vintage-1976-MARTHA-S-VINEYARD-to-BLOCK-ISLAND-132.jpg "Vintage 1976 MARTHA\'S VINEYARD to BLOCK ISLAND 13218 Nautical Map - 35½\")
