01540nam 2200409Ka 450 991069172300332120021010104239.0(CKB)5470000002348167(OCoLC)50762585ocm50762585(OCoLC)995470000002348167(EXLCZ)99547000000234816720021010d2001 ua 0engtxtrdacontentcrdamediacrrdacarrierEconomic benefits of conserved rivers[electronic resource] an annotated bibliography /[contributing authors: Beth Porter ... [and others]] ; Rivers, Trails & Conservation Assistance Program[Washington, D.C.] :National Park Service,2001."June, 2001."Title from title screen.Economic benefits of conserved rivers Conservation of natural resourcesUnited StatesBibliographyEnvironmental economicsUnited StatesBibliographyStream conservationUnited StatesBibliographyBibliographies.lcgftConservation of natural resourcesEnvironmental economicsStream conservationPorter Beth1383957United States.National Park Service.Rivers, Trails, and Conservation Assistance Program.GPOGPOBOOK9910691723003321Economic benefits of conserved rivers3429586UNINA