How old are fossils?

Language

en

Duration

~24 minutes (23K characters)

Publisher of text edition

Project Gutenberg

Original publisher

Chicago, IL: Field Museum of Natural History, 1927.

Credits

The Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive)

Release date

2023-11-21

Rights

Public domain in the USA.