So, I updated the excellent US Geologic Survey infographic of the last 4,000 years of eruptions in the Cascades to reflect these names. The last 4,000 years of volcanic eruptions along Yamakiasham ...

The proposed Cascade Crest National Park would have been about 92 miles wide, running from the Canadian border almost all the way to the Columbia River Gorge, encompassing 5,000 square miles in all.