01393oam 2200397Ia 450 991069660520332120080624085244.0(CKB)5470000002380814(OCoLC)42678314(EXLCZ)99547000000238081419991021d1999 ua 0engurnn|||||||||txtrdacontentcrdamediacrrdacarrierPreliminary air quality related screening values for the James River Face Wilderness, a Class I area in Virginia[electronic resource][Washington, D.C.?] :[U.S. Forest Service],[1999]8 pages digital, PDF fileTitle from title screen (viewed on June 24, 2008)."10/12/99.""October 1999."Includes bibliographical references (page 7).Air qualityVirginiaJames River ValleyAirPollutionVirginiaJames River ValleyMeasurementAir qualityAirPollutionMeasurement.United States.Forest Service.AGLAGLOCLCQGPOBOOK9910696605203321Preliminary air quality related screening values for the James River Face Wilderness, a Class I area in Virginia3132897UNINA