00561cam a22001574a 4500008004100000020001700041100002700058245011000085250001200195260004000207300004900247500002000296650003900316700002600355050002200381080428s2009    iau           001 0 eng    a0071221863: 1 aCunningham, William P.10aPrinciples of environmental science :binquiry & applications /cWilliam Cunningham, Mary Ann Cunningham.  a6th ed.  aDubuque, IA :bMcGraw-Hill,cc2009.  axxiii, 422 p. :bill.(some col), col. maps.;  aIncludes index. 0aEnvironmental sciencesvTextbooks.1 aCunningham, Mary Ann.00aGE105b.C865 2009