Cover Illustration: _This is “Old Faithful”. Just at the top of the hill it lies in stark grandeur._ In Arizona, that land of mystic beauties and many wonders, lies a great tract of land that, once upon a time, was covered with waters of the sea. How many centuries ago the ocean waves sparkled and rippled over what is now the desert, no one can definitely say. But from the nature of the stratum is which great logs are embedded, and the fossilized reptiles found, it is known that they were entombed during the Triassic age, many millions of years ago.…
Or read it translated: 日本語 · 中文 · हिन्दी · Español · العربية · Français · বাংলা · Português · Русский · Bahasa Indonesia · اردو · Deutsch · Kiswahili · 한국어