Rock Layers Metal Bookmark
Regular price
$14.00
Geologists from all over the world come to study the layers, or "strata" of the Grand Canyon. Nowhere else on earth is there a more complete record of the Earth's history with billions of years exposed by erosion.
- Lightweight metal bookmark demonstrating the geologic column of the Grand Canyon.
- Each rock layer is labeled.
- Measures approximately 4" long.
