01331oam 2200397 a 450 991069318640332120050106152043.0(CKB)5470000002359648(OCoLC)57177968ocm57177968(OCoLC)995470000002359648(EXLCZ)99547000000235964820041207d2004 ua 0engurmn||||||txtrdacontentcrdamediacrrdacarrierSurvey of environmental indicator sets[electronic resource][Washington, D.C.] :GAO,[2004]Title from title screen (viewed on Dec. 6, 2004)."November 17, 2004"--GAO report title page.Paper version available from: U.S. Government Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548."GAO-05-56SP."Environmental indicatorsUnited StatesEnvironmental monitoringUnited StatesEcologyResearchUnited StatesEnvironmental indicatorsEnvironmental monitoringEcologyResearchGPOGPOBOOK9910693186403321Survey of environmental indicator sets3097101UNINA