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Lake Erie Physical Data Sets
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Secchi Disc
Secchi disc depths in meters; read in the ship’s shadow.
For further information, contact:
Joann F Cavaletto NOAA-GLERL, 2205 Commonwealth Blvd. Ann Arbor, MI 48105-2945 734-741-2356
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GLERL 2205 Commonwealth Blvd., Ann Arbor, MI 48105-2945 (734)741-2235 Lake Michigan Field Station, 1431 Beach St., Muskegon, MI 49441-1098 (231)759-7824