00618nam a2200157Ia 4500008004100000010001400041040001700055082002100072100002300093110005300116245009800169260007800267300001300345440002200358650008000380190328s9999||||xx |||||||||||||| ||und|| a63-1343-8 aNITILcNITIL 221sta333bT511L aThorne,Wynne (Ed.) aAmerican Associan for the Advancement of Science 0aLand and water useba symposium presented at the denver meeting of the AmericancWynne Thorne aWashington, DCbAmerican Association fot the Advancement of Sciencec1963 av, 364p. aPublication no.73 aLand use-America; Water resources development-America; Water-supply-America