Page 69. Northeast of Sauk Rapids, along Elk River, grayish yellow laminated clays outcrops here and there, and these were once used for making brick.
Page 70. The location is unfavorable for a large plant. Other deposits may be found along the Elk or Mississippi rivers, but most of the county (Benton) exhibits only red drift and outwash.
Two miles south of Sauk Rapids, and across the Mississippi River opposite some brick yards in Stearns County, there was at one time a brick yard producing cream-colored brick from yellowish laminated clay of the common type. (Clays and Shales of Minnesota, Frank F. Grout and E. K. Soper, The University of Minnesota, Minneapolis, Minnesota, 1914, Page 156)