TY - BOOK AU - White, Lazarus AU - Prentis, Edmund Astley TI - COFFERDAMS U1 - 627.8 PY - 1950/// CY - N. Y. PB - Columbia University Press N1 - The U. S. Govt. Has Been Engaged Since 1932 In Providing A Nine-Foot Channel In The Mississippi River From St. Louis To St. Paul...This Book Is Written To Make Readily Accessible To Engineers And Contractors The Knowledge; 2nd Ed. Rev. And Enl ER -