The Conant Thread—Coats & Clark Mill Complex District is a historic district encompassing a large industrial complex which straddles the border between Pawtucket and Central Falls, Rhode Island. This 50-acre (20 ha) industrial area was developed in two phases, with a number of buildings surviving from both of these periods. The first, between 1870 and 1882, resulted in the construction of Mills 2 through 5, a series of large three- and four-story brick buildings which were used in textile manufacturing. A brick office and stables from this period were demolished in 1977, and are the only known brick structures to have been lost. The second phase of construction was between 1917 and 1923, and included the construction of two additional four-story brick mills, a stuccoed recreation hall that