TITLE: sealed time

The Dee Wright Observatory is a popular tourist attraction located in the Cascade Mountains of Oregon, USA. The bronze plaque at Dee Wright Observatory offers a short introduction to the geological significance of the area. It provides information about the volcanic formations visible from the observatory, including prominent peaks, lava fields, and the formation known as the "Big Obsidian Flow." The plaque may also mention the approximate ages of the volcanic features and the historical eruption periods.

AUTHOR: wei lian (United States)