Hemp in Mason County. The only major hemp-producing Ky. county outside the Blue Grass area. The 1810 crop income was $70,000. Maysville second to Louisville in finished hemp products, 1830s. Nicholas Arthur's factory, using horsepower, was one of several ropewalks, long buildings for spiral winding of hemp fibers. It processed yearly 600,000 lbs. of rope worth $41,000. See over. (Reverse) Hemp in Kentucky - First crop grown, 1775. From 1840 to 1860, Ky.'s production largest in U.S. Peak in 1850 was 40,000 tons, with value of $5,000,000. Scores of factories made twine, rope, gunny sacks, bags for cotton picking and marketing. State's largest cash crop until 1915. Market lost to imported jute, freed of tariff. As war measure, hemp grown again during World War II. See over.