Environmental Research Lab-Duluth Chemical Lake Survey 1979 - 1982
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资源简介：
Chemical survey of 832 lakes in Minnesota, Michigan, Wisconsin and Ontario conducted by
ERL-Duluth and UMD between 1979 and 1982 for evaluation of trophic state and sensitivity to
acid deposition Glass, G.E. and Sorenson, J.A. (1994) USEPA ERLD-UMD acid deposition
gradient-susceptibility database. U.S. EPA Environmental Research Laboratory - Duluth and
University of Minnesota at Duluth, MN. Number of sites: 856 within 832 lakes
创建时间：
2013-06-14
