BANGOR, Maine — Paper mills used to be a huge revenue source for Maine. Now only six pulp and paper mills are still in operation in our state. One of them is  Sappi’s Somerset Mill in Skowhegan, where the employees are proudly churning out one million tons of paper a year. The Sappi Somerset Paper Mill in Skowhegan has three paper machines which years ago were used to produce graphics or coded paper found in magazines. Now, the company is thinking outside the box and creating paper packaging as an alternative to plastic packaging. “Five years ago we converted the first paper machine to paper packaging,” explained Sean Wallace. “The packaging is for cosmetics, pharmaceuticals, and that sort of thing.” The company recently announced it is investing $418 million dollars to convert paper machine number two to offer the same product.