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Published March 06, 2013, 12:00 AM

Sediment testing

Minnesota West agriculture students Eric Wieneke (left) and Stuart Rogers work with sediment samples taken Feb. 22 from Lake Okabena. The samples were oven-dried for 48 hours and then placed in a high-temperature furnace for two hours to burn off the organic matter. Today, students will reweigh the samples and calculate the amount of organic matter that was in the samples.
Read the article: Minnesota West students hope to help in improvement of lake quality