Upon reaching the base of the plow zone, archaeologists carefully scrape the soil with a trowel searching for stains left behind by posts, pits, and other subsurface anomalies. In this photo Erin Patterson, Michael Rodgers, Sarah Tolbert, Matthew Whalen, and Justin Arocho (from left to right) search for evidence of such features in an excavation block adjacent to the York River while Cyndi Volbrecht takes notes.