I would point out that these are likely from a facsimile set of
Des Barres' Atlantic Neptune:
http://www.worldcat.org/title/atlantic-neptune/oclc/1174205
The Atlantic Neptune;
Author: Joseph F W Des Barres
Publisher: [Barre, Mass.], [Barre Pub. Co.], [1966-69]
Edition/Format: Map : Atlas : English
Database: WorldCat
Joel Kovarsky
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From: Graydon, Elisa P. CIV (EDU) <[log in to unmask]>
Sent: Friday, June 9, 2017 9:17 AM
To: [log in to unmask]
Subject: Barre Publishers Reproduction Maps AvailableThe Coast Guard Academy Library has a set of Reproduction Maps from Barre Publishers available:
The 1967 Barre Publishers Reproduction of A Chart of Little Boar’s Head to York Harbor, 2 sheets.
“Published according to Act of Parliament, 1st January 1979 by Des Barres, Esq.”
These maps are outside the scope of our collection but are great reproductions in excellent condition. Does anyone have any interest in these maps? If so, I can ship them to you.
Elisa Graydon
Technical Services Librarian
US Coast Guard Academy
Library
35 Mohegan Ave
New London CT 06320
860-444-8553