NO. 547 CHILES MILL - Joseph Ballinger Chiles, who first came to California in 1841, erected the mill on Rancho Catacula 1845-56. The first American flour mill in Northern California, it was still in use in the 1880s. Chiles served as a vice president of the Society of California Pioneers, 1850-53.
SW corner, on hillside Chiles and Pope Rd & Lower Chiles Valley Rd 3.6 mi N of Hwy 128
Look up on the hill for the plaque.