Pit (image) Field Museum Caption Dr. Hui Fang, Professor of Archaeology at the Center for East Asian Archaeology Studies at Shandong University, scrapes the edge of a farmer's field to reveal the profile of a pit from the Western Zhou period (1046-771 B.C.) evidenced by the darker colored soil. To his left is University of Chicago graduate student Adam Schwartz. Credit Photo by Anne Underhill, courtesy of The Field Museum Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.