Its [the Earth's] age is in the rocks; in the great stone book of the geologic strata its history is written.
The Writings of John Burroughs (Volume 19), Chapter II (pp. 40-41)
![Its [the Earth's] age is in the rocks; in the great stone book of the geologic strata its history is written.](https://img.libquotes.com/pic-quotes/v1/john-burroughs-quote-lbf4d9m.jpg)
![Its [the Earth's] age is in the rocks; in the great stone book of the geologic strata its history is written.](https://img.libquotes.com/pic-quotes/v2/john-burroughs-quote-lbf4d9m.jpg)
![Its [the Earth's] age is in the rocks; in the great stone book of the geologic strata its history is written.](https://img.libquotes.com/pic-quotes/v3/john-burroughs-quote-lbf4d9m.jpg)
![Its [the Earth's] age is in the rocks; in the great stone book of the geologic strata its history is written.](https://img.libquotes.com/pic-quotes/v4/john-burroughs-quote-lbf4d9m.jpg)
