Phillips Woolen Mill is a historic mill at 71 Grove Street in Adams, Massachusetts. The date of its oldest portions is difficult to assess: when it was cleary associated with the firm of Blackinton and Phillips in the 1850s, it may have already included portions of an earlier millworks on the site. Some portions of the mill show signs of Greek Revival architecture, which was no longer in fashion in the 1850s. Benjamion F. Phillips and Peter Blackinton engaged in a long-running series of partnerships, owning and operating mills in Adams. The partnership was dissolved in 1864, and Phillips took over what was known as the Greylock Woolen Mill. His enterprise manufactured "cashmeres, ladies' dress goods, and shawls" in its facilities into the 1930s, although the company went through a variety