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National geochemical reconnaissance release NGR 35-1978, regional lake sediment and water geochemical reconnaissance data,
Ontario eastern shore, Lake Superior; Hornbrook, E H W; Coker, W B; Lynch, J J. Geological Survey of Canada, Open File 555,
1979, 84 pages (16 sheets); 1 diskette/disquette,
https://doi.org/10.4095/129524 (Open
Access)