00785pam a2200229 a 4500 0521331889 0521337690 (pbk.) DLC 333 CAM 1987 A075 Or. Conrad, Jon M. Natural resource economics : notes and problems / Cambridge [Cambridgeshire] ; New York : Cambridge University Press, 1987. x, 231 p. : ill. ; 24 cm. Includes index. Natural resources. Environmental policy. Clark, Colin Whitcomb, http://www.loc.gov/catdir/samples/cam034/87011582.html http://www.loc.gov/catdir/description/cam023/87011582.html http://www.loc.gov/catdir/toc/cam025/87011582.html EK 15354 15354 0 0 0 333_000000000000000_CAM_1987_A075_OR 0 68453 LBA LBA A075 2017-11-20 333 CAM 1987 A075 Or. A06022 2017-11-20 2017-11-20 EK