I was in the Maritimes about 10 years ago and was surprise how many fabric shops (not just quilt shops) carried their province's tartan plaid. rootyr could select a specific area perhaps near NY and use those. Etsy seems to have a number of listings.
Swatches may do the trick too.
Last edited by QuiltnNan; 06-13-2019 at 04:16 PM.
Reason: shouting/all caps