THE BOOK OF THE NATIONAL PARKS. pleasing hodge-podge of mountains, valleys, plains, lakes, and rivers. bristling granite core of the Rockies, and the ancient ice-carved shales.
[{"glaciers": "n/a", "shrinking": "n/a", "heights": "n/a"}]
[{"glaciers": "n/a", "shrinking": "n/a", "heights": "n/a"}]