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Lake Itasca Forestry Station. Aquatic Laboratory dedication
Lake Itasca Forestry Station. Aquatic Laboratory dedication
Lake Itasca Forestry Station. Aquatic Laboratory dedication
Lake Itasca Forestry Station. Aquatic Laboratory dedication
Lake Itasca Forestry Station. Aquatic Laboratory dedication
Lake Itasca Forestry Station. Aquatic Laboratory dedication
Lake Itasca Forestry Station. Aquatic Laboratory dedication
Lake Itasca Forestry Station. Aquatic Laboratory dedication
Lake Itasca Forestry Station. Aquatic Laboratory dedication
Lake Itasca Forestry Station. Aquatic Laboratory dedication