Birdsall, Stephen S. Outline of American geography : regional landscapes of the United States / by Stephen S Birdsall & John Florin. - [Washington, DC] : United States Department of State; 1992. - 196p. ; 21cm. Subjects--Topical Terms: --SWD-ID: 40202161 -- Geographie Dewey Class. No.: 910.0973 / BIO 1992