Ralph Patty, Chairman of the Agricultural Engineering Department, supervised the rammed earth research at South Dakota State College in the 1920s and 1930s. Patty’s research was published internationally as well as by SDSC and the USDA Rammed Earth Walls for Buildings- 1926 :Farmers’ Bulletin #1500.
Architecture, Art, Design, and Culture using of mud, clay, soil, dirt & dust.