01320nam 2200361Ka 450 991069257030332120040512150610.0(CKB)5470000002353750(OCoLC)55128502ocm55128502(OCoLC)995470000002353750(EXLCZ)99547000000235375020040512d2000 ua 0engtxtrdacontentcrdamediacrrdacarrierA look ahead[electronic resource] key social and environmental forecasts relevant to the National Park Service : prepared for Discovery 2000, the National Park Service General Conference September 11-15, 2000, St. Louis, Missouri /by Gary E. Machlis ... [and others][Washington, D.C.] :[National Park Service, Social Science Program],[2000]Title from title screen (viewed on May 7, 2004).Look ahead Environmental qualityForecastingSocial predictionEnvironmental qualityForecasting.Social prediction.Machlis Gary E1382940Social Science Program (U.S.)GPOGPOBOOK9910692570303321A look ahead3430785UNINA