Glacier Bay By: Ari Kohl. What year did the park become an official National Park and why? Q: What year did the park become an official National Park.
Lecture 13Overview of Earth’s History Hadean (4.5 to 3.9 b.y.) 1. Initial Formation of the Earth 2. Impact of Mars-sized planet - Formation of Moon.
Proterozoic sedimentary rocks –in Glacier National Park, Montana The angular peaks, ridges and broad valleys –were carved by Pleistocene and Recent glaciers.
