Trade in goods, and the exchange of information and ideas that resulted, was the backbone and lifeblood of the Chesapeake colonies. Through these formal and informal interactions colonists formed personal and community relationships that defined many aspects of life in 17th-century Virginia and Maryland. Marked or decorated imported clay tobacco pipes and locally-produced mold-made tobacco pipes are one of the most tangible pieces of evidence of these relationships and are the main focus of this study. By combining archaeological and documentary records, the multiple interaction spheres in which residents from 16 archaeological sites in the Potomac River Valley were engaged from 1630 to 1730 are studied to examine the impacts of politics an...