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Do you have a source for this? I thought they were sourced was almost all rainfall both directly into the lake and from the streams and rivers that surround the
by omosubi 7y ago
Do you have a source for this? I thought they were sourced was almost all rainfall both directly into the lake and from the streams and rivers that surround them
- cronix 7y agoGlaciers formed them, but probably have little to do with sustaining them https://en.wikipedia.org/wiki/Great_Lakes https://en.wikipedia.org/wiki/Great_Lakes