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


On 6/9/17 11:27 AM, Angela R Cope wrote:
>
>
> ------------------------------------------------------------------------
> *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 Available
>
> The 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, 1^st 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
>
> [log in to unmask] <mailto:[log in to unmask]>
>
> <https://www.facebook.com/USCGALibrary>
>