<P> The Jack Daniel's Distillery was listed on the National Register of Historic Places in 1972 . </P> <P> In 2012, a Welshman, Mark Evans, claimed to have discovered the original recipe for Daniel's whiskey, in a book written in 1853 by his great - great - grandmother . Her brother - in - law had emigrated to Tennessee . </P> <P> Moore County, where the Jack Daniel's distillery is located, is one of the state's many dry counties . While it is legal to distill the product within the county, it is illegal to purchase it there . However, a state law has provided one exception: a distillery may sell one commemorative product, regardless of county statutes . Jack Daniel's now sells Gentleman Jack, Jack Daniel's Single Barrel, the original No. 7 blend (in a commemorative bottle), and a seasonal blend (on rotation) at the distillery's White Rabbit Bottle Shop . </P> <P> Until 1987, Jack Daniel's black label was historically produced at 90 U.S. proof (45% alcohol by volume). The lower - end green label product was 80 proof . However, starting in 1987, the other label variations also were reduced in proof . This began with black label being initially reduced to 86 proof . Both the black and green label expressions are made from the same ingredients; the difference is determined by professional tasters, who decide which of the batches would be sold under the "premium" black label, with the rest being sold as "standard" green label . </P>

Is the county where jack daniels is made dry