2.
…followed by billions of years of more geologic phenomena of filling-expanding-forming. You can look it up.
Then about 70 million years ago the Rocky Mountains began to form, which took a lot of rising and uplifting and pushing and Then…
2….
2.
…followed by billions of years of more geologic phenomena of filling-expanding-forming. You can look it up.
Then about 70 million years ago the Rocky Mountains began to form, which took a lot of rising and uplifting and pushing and Then…