Political and commercial geology and the world's mineral resourcesNote 155 — Chapter XXVI · POTASH By Hoyt S. Gale and A. W. StockettReading editionEstimated from data indicated.◇Copy noteReturn to CHAPTER XXVI POTASH By Hoyt S. Gale and A. W. StockettReturn to CHAPTER XXVI POTASH By Hoyt S. Gale and A. W. StockettReturn to CHAPTER XXVI POTASH By Hoyt S. Gale and A. W. Stockett