01507oam 2200421 450 991071527580332120210114121312.0(CKB)5470000002509264(OCoLC)682030619(OCoLC)622359868(OCoLC)667927004(OCoLC)974644184(OCoLC)995470000002509264(EXLCZ)99547000000250926420101117d1988 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierExternal quality-assurance results for the National Atmospheric Deposition Program and the National Trends Network during 1986 /by Randolph B. See and Leroy J. Schroder, and Timothy C. WilloughbyDenver, Colorado :U.S. Geological Survey,1988.1 online resource (iii, 15 pages)Water-resources investigations report ;88-4007Includes bibliographical references (pages 14-15).See Randolph B.1387376Schroder L. J.Willoughby Timothy C.Geological Survey (U.S.),OCLCEOCLCEOCLCQOCLCFOCLCOOCLCQCOPGPOBOOK9910715275803321External quality-assurance results for the National Atmospheric Deposition Program and the National Trends Network during 19863474423UNINA