This is the second edition of Experiment Station Bulletin 277-1933, slightly revised and containing a supplement of results and progress up to 1938 that was not reported in Experiment Station Bulletin 298 published in 1936 and entitled "The Relation of Colloids in Soil to Its Favorable Use in Pise or Rammed Earth Walls."
South Dakota State College
Agricultural Experiment Station, South Dakota State College, "Rammed Earth Walls for Farm Building (Revised April 1938)" (1938). Rammed Earth Collection. 3.