Regional landscapes of the United States and Canada / Stephen S. Birdsall, John W. Florin. Birdsall, Stephen S. Florin, John William. E169.Z82 B57 1991 917.3 20 BIR Includes bibliographical references and index. New York : Wiley, c1992. c1992. 1992 Text vii, 519 p. : eng United States Description and travel. Canada Description and travel. United States Economic conditions 1981-2001. Canada Economic conditions 1945-