#15 Brigham City Tour---The Woolen Mill was one of the major home industries of the Brigham City Co-op and its most expensive venture. Construction began in 1869 and was completed in October of 1870.Baron Woolen Mill was submitted for the National Register along with the other Co-op buildings. Because of remodeling to the building, it was determined to be ineligible at that time. The building as consumed by fire in 2015.