blog postsReading history in the soilJan 28, 2020 12:15 pm by REBECCA BARZILAIArchaeological SurveyShare on FacebookTweetEmailPostdoctoral researcher Rebecca Barzilai uses a variety of techniques to study artifacts from ancient sites. Photo by Fred ZwickyImagesPostdoctoral researcher Rebecca Barzilai describes mapping and collecting soil samples from the floor of a religious shrine in Greater Cahokia, an ancient Native American settlement on the Mississippi River in and around present-day St. Louis.Share on FacebookTweetEmail