NY,NJ and part of PA Map

I'm not really sure, I think this is a repo.
Bottom of map says:
"Printed by Headly Brothers Ltd, Ashford Kent"
on the map it says:
"Londen. Printed for Rob Sayer & John Bennett,
No58, in Fleet Street, as the Actdirects Aug 17, looks like 1776"

Bottom right of map says:
The Providence of New York & New Jersey with part of Pensilvania and the providence of Quebec.
Drawn by Major Holland, Surveyor General
of the Northern District in America.
Corrected and Improved. from the Original Materials.
By Govern:Pownall
Member of Parliment
1776