TY - BOOK AU - American Society of Civil Engineers. Irrigation and Drainage Division AU - American Society of Agricultural Engineers. Pacific Northwest Region TI - Age of changing priorities for land and water : Irrigation and Drainage Division specialty conference, Spokane, Washington, September 26-28, 1972 PB - American Sosiety of Civil Engineers PY - 1972 EP - 482 p. UR - http://ci.nii.ac.jp/ncid/BA35239366 ER -