There is a great industry in red pressed brick at Coon creek. There is said to be a very large amount of suitable red clay. The two parties operating red-pressed brick yards in 1885 were - The Anoka pressed brick and Terra Cotta Company, and C. Benson. The clay needs about the same in bulk of sand added to make it right for this manufacture. (A Report on the Geological and Natural History Survey of Minnesota, 1882-1885, The Geology of Minnesota, Volume II, N. H. Winchell and Warren Upham, Pioneer Press Company, St. Paul, Minnesota, 1888, Page 423)