Shell Currency Was Part Of An Ancient Economy In The Channel Islands - Natural Reserve System

Based on Channel Islands artifacts, archaeologist Lynn Gamble argues the Chumash people were using a shell currency 2,000 years ago.

The Shocking Savagery of America's Early History, History

Nile flooding sank two ancient cities

A Game As Old As Empire: The Secret World of Economic Hit Men and the Web of Global Corruption: Hiatt, Steven, Augustine, Ellen, Berkman, Steven, Christensen, John: 9781576753958: : Books

13 SURPRISING Channel Islands National Park Facts (Guide)

The 9.9 Percent, Book by Matthew Stewart, Official Publisher Page

The Chumash People, History, Culture & Facts

Channel Islands National Park - Ventura Port District

How Channel Island Archaeology Can Help Restore Oceans

Engineering With Nature: An Atlas, Volume 2. by US Army Engineer Research and Development Center - Issuu