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Old 08-12-2020, 06:42 PM
Canadian Sled Dog Canadian Sled Dog is offline
Join Date: Jul 2020
Posts: 4

After a few more hours research my best guess is that they are Gloeotrichia, a form of blue-green algae which may or may not produce toxic compounds. Either way they are found throughout Lakeland PP and PRA, where backcountry travel (portage routes) necessitates drinking the water. Yikes. I wish I had a sample, might go get one, but it looks a heck of a lot like this:
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