SNOWBALL EARTH (original) (raw)

This web site was originally funded through research grants from the U.S. National Science Foundation (EAR - Geology & Paleontology Division) to Paul F. Hoffman, with additional funding from Harvard University. Site design, construction, maintainence, and additional financial support by R.S. Hildebrand. Contents Copyright © 2006-2020 and excerpt for an updated bibliography, original content is left as an historical record.