tough choices in today's world : the proceedings of a national symposium, March 21-24, 1977, in Omaha, Nebraska National Symposium on Land Use: Tough Choices in Today's World (1977 : Omaha, Neb.) text bibliography iau Ankeny, Iowa Soil Conservation Society of America c1977 1977 monographic eng

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x, 454 p. : ill. ; 23 cm. Includes bibliographies. Sociology Land use United States Congresses Land use United States Planning Congresses 333 LAN 1977 DLC 780106 20211208233755.0 3705 eng