00493cam a22001817a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001600102100002600118245006900144260004700213300002000260650003100280CHAP20220329135130.0971013s1957            r     00010     d  a31427  a32399  a36514  cCHAP  a333.72bC6900aCoyle, David Cushman. 0aConservationb: an american story of conflict and accomplishment  aNew Brunswick :bRutgers University,c1957  a284 p.b: ilus.14aRecursos naturalesxE.U.A.