Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitlePaleolimnological study of copper mining around Lake Superior: Artificial varves from Portage Lake provide a high resolution record.AuthorsKerfoot, W. Charles; Lauster, George; Robbins, John A.AbstractThis article is in Free Access Publication and may be downloaded using the 'Download Full Text PDF' link at right.PublicationLimnology & Oceanography, 1994, Vol 39, Issue 3, p649ISSN0024-3590Publication typeArticleDOI10.4319/lo.1994.39.3.0647