At Henderson bricks are made by Herman Matthei, who began 9 years ago, and now averages 400 thousand yearly; and by John Meier, who began in 1878, and expected to make 300 thousand during last season. Both use recent alluvium. (The Geological and Natural History Survey of Minnesota, The Eighth Annual Report for the Year 1879, Submitted to the President of the University, Feb. 18, 1880, The Pioneer Press Company, St. Paul, MN, 1880, Page 120)
Henderson. There is one brick yard, owned by Herman Matthei, which produces upwards of 1,000,000 brick per year. The brick are of a dark red color and very durable. (History of the Minnesota Valley, Including the Explorers and Pioneers of Minnesota, Rev. Edward D. Neill, North Star Publishing Company, Minneapolis, 1882, Page 417)
Page 177. Bricks. In Henderson bricks are made near the north edge of the village by Herman Matthei, who began thirteen years ago, and has averaged about 400,000 yearly; and near the south edge of the village by John Meier, who began in 1878, and has made about 300,000 yearly. Both use the recent
Page 178. alluvium of the Minnesota river, which is a dark clayey silt fifteen feet or more in depth with its surface five to fifteen feet above low water, mixing with it about one-sixth as much sand, producing bricks that vary in color from reddish when moderately or slowly burned to yellowish brown or cream-colored when subjected to more intense heat in burning. The price is $5 to $6 per thousand. (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)