- Alpine Lakes Wilderness (wilderness.net)
The Alpine Lakes Wilderness covers over 400,000 acres of the famously scenic Central Cascades of Washington. The Wilderness lies between Snoqualmie and Stevens Passes in the Northern Cascades portion of the Cascades Range, including the sub-range called the Wenatchee Mountains, which forms the Wenatchie-Yakima divide…
- Laurentide Ice Sheet (Wikipedia)
The Laurentide Ice Sheet was a massive sheet of ice that covered millions of square miles, including most of Canada and a large portion of the Northern United States, multiple times during the Quaternary glacial epochs, from 2.58 million years ago to the present.